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A new publication from EMBARQ explores the existing literature on the safety impacts of sustainable transport – primarily from the United States and Europe – and adding examples from Latin America and South Asia. The evidence suggests that projects that reduce traffic—such as congestion charging—and those that improve infrastructure—such as high-quality mass transport systems—can have a positive impact on traffic safety, in addition to numerous other co-benefits.

Saving Lives with Sustainable Transport

Traffic safety impacts of sustainable transport policies

Traffic safety improvements are an often-overlooked benefit of sustainable transport projects and policies. New research from EMBARQ finds that investments in biking and pedestrian infrastructure, improved mass transit systems, and measures to limit motor vehicle usage can all significantly...

WRI India

WRI India’s mission is to go beyond research to put ideas into action, and work with governments, business, and civil society to build transformative solutions that protect the earth and improve people’s lives.


The world's cities are about to get a lot busier. Today, more than 50 percent of the global population lives in cities; by 2050, that figure will have risen to 75 percent.

This mass migration to cities could result in crowded streets rife with air pollution, traffic accidents and congestion. Or it could see a boom in clean, compact urban centres with safe, healthy communities. The way the world's cities operate in the future will be shaped by how they are designed and developed now.

Rio de Janeiro is a leader among the Brazilian cities aggressively promoting low-carbon development. In 2011, the city passed a landmark climate change law with a target to reduce greenhouse gas (GHG) emissions 8% below the business-as-usual (BAU) emissions scenario by 2012, 16% by 2016, and 20% by 2020.

Now Rio is conducting a GHG inventory for 2012, the first target year under its climate change law. The inventory will measure the city’s emissions against its 8% reduction target for 2012, and assess the effectiveness of GHG mitigation actions implemented so far. On July 2, the city government of Rio invited me and my colleagues from the Greater London Authority and the Federal University of Rio de Janeiro (COPPE) to a seminar to share our experiences in conducting GHG inventories and to discuss Rio’s 2012 inventory. At the seminar, Nelson Moreira Franco, Director for Climate Change Management and Sustainable Development for the City of Rio, stressed that GHG inventories help identify emission sources and provide scientific evidence on GHG levels, so it is extremely important that the city gets it right. To me, the seminar covered four important items:

EMBARQ catalyzes and helps implement environmentally, socially, and financially sustainable urban mobility solutions to improve quality of life in cities.


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