Fairfax County established Transportation Demand Management (TDM) requirements (“proffers”) for new development that would have significant traffic impacts. For buildings within the urban centre of Tysons, trips had to be reduced between 25% and 65% during peak hours, depending on the size of the building and its proximity to the Metrorail stations. The county proffers required large new properties to annually monitor trips, conduct tenant commuting surveys, and show that they were meeting their trip reduction goals. They also had to conduct surveys every three years. Over seven years, 13 such developments generated 63% fewer trips, which was 34% beyond their goals. For the office buildings, this was likely at least partly a result of more people working from home during the COVID pandemic.
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France provides financial incentives to local travel authorities (LTAs), employers and employees to promote carpooling. It also funds the development of carpooling infrastructure, ridesharing platforms that make it much easier to carpool, and fraud prevention mechanisms. This case study covers the formative research and early implementation in Paris of France’s National Daily Carpooling Plan.
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What if you want to move away from gas and oil, but rent, are about to move, or can’t afford solar panels? If your energy supplier has not already pledged to go green, you have few options. The co-ownership of wind farms engages and makes it practical for more homeowners and renters to buy wind-generated power.
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Liftshare is a social enterprise that has worked with over 700 of the UK’s largest employers to reduce the number of single occupancy vehicle trips using carsharing, active transportation and public transit when commuting for work. With an online community of over 1 million members, it is estimated that Liftshare members have avoided the release of 300 million kg / 300,000 tonnes of commuter carbon emissions (averaging 50 million kg / 50,000 tonnes per year). In 2020, Liftshare launched Mobilityways, a sister platform that enables employers to evidence, track, plan and change their commuter emissions via a set of tools / modules that work seamlessly together.
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What makes a great cycling city? How did the medium-sized City of Copenhagen get its citizens to cycle to work / school 49% of the time? While topography and climate are significant influencers, safety, supportive infrastructure, and promotion also played key roles. Copenhagen increased cycling by making it safer, easier, and more convenient. This case illustrates the power of piloting alternative enhancements on an ongoing basis to further reduce barriers and increase benefits, based on regular surveys, traffic data and safety data. It also features a transparent planning process - the Bicycle Account – a research, evaluation, promotion, and citizen engagement tool used every two years since 1996. Designated a Landmark case study by our Transportation peer selection panel in 2022.
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Paris is an inspiration for large cities around the world, having reduced car traffic in its core (Ile de France) from a mode share of 12.8% in 2010 to 6% in 2020. How did Paris get to be one of the cities in the world with the lowest mode share for single occupant vehicles? The city is comparatively dense and has one of the top subways in the world. But what is most striking about its transformation is the increase in cycling and walking during this period – they increased from 55.4% in 2010 to 68% in 2020. Numerous programs offered by three levels of government explicitly prioritized bicycles over cars and reduced on-street car parking to make room for bike lanes. They taxed and restricted more polluting vehicles, and gradually phased them out, while providing a conversion bonus for the purchase or lease of electric-assisted bicycles and cargo bikes. In addition, car ads had to include messages promoting greener methods of transportation, and incentives were provided for bike repairs and tune-ups. Designated a Landmark case study by our sustainable transportation peer review and selection panel in 2022.
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While many people in Germany say they would use green energy if presented with a choice, very few consumers do so. In contrast, most people have been using green energy in a few German municipalities where citizens have had to opt out for non-renewable energy supplies rather than having to opt-in to get renewable ones. This case study also illustrates the connection between green power choices and clean air / environmental health, and the value of randomized control trials (RCTs) for measuring program impacts. Designated a Landmark case study by our Building Energy peer review panel in 2022.
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Several policies / incentives, in place over an extended period, have made Norwegians more likely to purchase electric vehicles (EVs) than people in any other country. These incentives have included: exemption from vehicle registration and high purchase taxes, reduced road tolls, free parking, and access to some bus lanes. A similar long-term approach could be adapted for other big-ticket purchasing behaviors where the impact justifies the expense – for example energy-efficient home / building retrofits and appliances. Norway's electric cars are close to zero-emission as 98% of its electricity came from hydropower.
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Just One Trip Phase II illustrates the use of Propensity Modelling / Predictive Analysis, Street Ambassadors, Quality Online User Experience (UX), and trip planning to reduce the proportion of single-occupant car trips in Seattle WA, USA. It engaged over 21,000 people and on average participants reduced four drive-alone trips per week per person. Designated a Landmark case study in 2020.
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The City of Austin reduced employee commute travel by one million vehicle miles within six months of making its Leave Time Reward (LTR) a permanent incentive. During this period, the percentage of drive-alone trips fell from 53% to 41%. Attribution of these impacts to the City’s time off incentive policy is strengthened because that policy was introduced in the pilot study, then withdrawn after the pilot, then later reintroduced for the permanent program (Reversal Design.) Designated a Landmark case study in 2020.
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2019 Youtube Program Update Video from USGBC
Leadership in Energy and Environmental Design (LEED) is a tremendously successful program that engages builders and owners in designing, building, selling / buying and operating more energy-efficient buildings. It awards points for meeting targets and doing targeted behaviors like benchmarking and tracking energy and water consumption, using specific types of materials, and recycling waste materials. It has become the most used green building rating system out there, adopted in more than 150 countries and territories worldwide. The program received Landmark designation in 2015.
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OhmConnect pays participants to save energy when it’s most beneficial to the grid and their wallets. On average, participants save 50-100 kWh at peak times per year per household. This case study highlights three innovative elements of the program: a focus on reducing peak demand with remarkable frequency, flexibility and precision; rich gamification features that encourage user participation; and an option to automate energy savings that was not available until the recent installation of smart meters and widespread availability of smart devices. Designated in 2017.
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The Stockholm congestion charge is a tax levied on vehicles entering and exiting the inner city. After a seven-month trial, followed by a referendum, the charges were made permanent and the traffic reductions of 20% have held constant ever since. This case study features strong, ongoing impact data. It is a rare example of introducing then removing and then reintroducing an intervention. It speaks to the importance of timing referendums after rather than before trials or pilots, and to the dynamics of shifting public opinion. It also shows that congestion pricing can be popular, work well, and generate significant additional funds for municipalities. Designated a Landmark case study in 2013.
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Green Communities Canada’s EcoDriver program promotes fuel-saving behaviours in three core areas: fuel-efficient driving, purchase of fuel-efficient vehicles, and driving less. Participants attend driver-to-driver-format workshops, indicate the specific changes in driving habits they will make and the number of people they will tell about what they learned, and attend special events such as tire clinics where they are given free pressure gauges and can learn to test their tire pressure. This program was designated a Tools of Change Landmark case study in 2011. A webinar on the program will be held in February 2011. About half a year later, this case study will be updated and the webinar recording, transcript and handouts will be posted.
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To reduce nutrient pollution flowing into the Chesapeake Bay, this media-based campaign convinced area residents to fertilize their lawns in the fall rather than spring. For those hiring lawn services, it promoted partner lawn services that were Bay-friendly. The 2004 campaign was framed not as an environmental appeal, but as a way to ensure the continued availability of Chesapeake Bay seafood. It was followed in May 2011 with legislation that limits both the content and the application of fertilizer for urban and suburban lawns.
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This field experiment with 7,680 low-income homeowners boosted referral rates, new participant numbers, and progam cost-effectiveness. It achieved this with two changes to a program that was already running. (1) It offered, in addition to the program's standard financial incentive, a non-contingent token gift upfront with a reminder about the programme, to evoke a sense of reciprocity. (2) It simplified the referral process by providing a mailable referral slip with a stamped return envelope.
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In 2022, there are about 2,500 Repair Cafés worldwide, where volunteer experts help repair old items that people bring in, keeping them out of landfills and saving people money.
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Two open-access articles in Behavioral Science & Policy (7: 2) provide guidance on crafting messages to promote green behaviors. The first argues that interventions will be most effective if they not only make it easier for people to act (as behavioral science suggests) but also highlight moral reasons for taking action and assure people that their actions make a difference. The second outlines how to implement behavioral interventions that avoid crowding out support for deeper action.
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Both France and the City of Amsterdam have banned fossil fuel-related ads.
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This document provides a brief summary of options for assessing what portion of any measured behavior changes resulted from your program and what portion resulted from other influences. These options can also be used to attribute the affects of your program on a wide range of related variables such as resources used, pollutants released, accident rates and health status.
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This 2017 study compares two modes of visually presenting information - one using photographs and the other using cartoons - on audience's knowledge, attitudes and behavioural intentions.
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Reports on the impacts of pollution prevention (P2) programs on toxic pollution.
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Includes many annotated links to other web-based resources supporting social marketing and social change
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A good, detailed, freely accessible overview of program evaluation and attribution methods.
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This site helps community leaders, parents and schools develop programs and strategies that encourage and enable more children to safely walk and bike to school. It offers news, state contacts, a 'how-to' manual, and extensive resources for marketing, engineering, education, evaluation, enforcement, training and program development. Publisher: National Center for Safe Routes to School within the University of North Carolina Highway Safety Research Center
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This 2020 study investigated the relationships between three types of nature contact, psychological connectedness, health, subjective wellbeing and pro-environmental behaviours. It suggests that interventions increasing both contact with, and connection to nature, are likely to be needed in order to achieve synergistic improvements to human and planetary health.
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This 2021 National Bureau of Economic Research working paper makes the case that the regulation of goods associated with negative environmental externalities may decrease consumption of the targeted product, but may be ineffective at reducing the externality itself if close substitutes are left unregulated.
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This study indicates that high-profile public advocates like Greta Thunberg can shape collective efficacy beliefs and motivate collective action, but their effect is likely stronger among those with a shared political ideology.
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When consensus about a risk or mitigating behavior is newly developed and/or not clearly understood, communicating that consensus through teachers / instructors can be critical. While this blog entry focuses on climate change, it may also apply to new understandings in many topic areas.
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