South America

El apetito mundial por el chocolate está a un punto máximo sin precedentes, y los productores buscan nuevos lugares para cultivar cacao, la materia prima del chocolate y del cacao en polvo. Algunos productores han recurrido a Sudamérica, donde las imágenes satelitales resaltan a una plantación de cacao que está invadiendo la selva tropical amazónica.

In the world of forestry, bamboo doesn’t always get the credit it deserves. Dismissed as a weed or marginalized in traditional forest management, bamboo could actually play an important role in forest and landscape restoration. With adequate attention, investment, and the right standards in place, it could become a major renewable and sustainable crop—if we can update our outmoded view of it.

This post was written by Lord Nicholas Stern, president of the British Academy, and Felipe Calderón, former president of Mexico and a WRI Board member. It originally appeared on Project Syndicate.

This Friday, in its latest comprehensive assessment of the evidence on global warming, the United Nations Intergovernmental Panel on Climate Change will show that the world’s climate scientists are more certain than ever that human activity – largely combustion of fossil fuels – is causing temperatures and sea levels to rise.

In recent years, a series of extreme weather events – including Hurricane Sandy in New York and New Jersey, floods in China, and droughts in the American Midwest, Russia, and many developing countries – have caused immense damage. Last week, Mexico experienced simultaneous hurricanes in the Pacific and in the Gulf of Mexico that devastated towns and cities in their path. Climate change will be a major driver of such events, and we risk much worse.

This puts a new debate center stage: how to reconcile increased action to reduce greenhouse gas emissions with strong economic growth.

This piece provides insights from a recent Greenhouse Gas Protocol seminar in Brazil. The Seminar was part of WRI’s Sustainable Cities Initiative funded by the Caterpillar Foundation.

Last week in São Paulo, WRI, ICLEI, C40, USP-IEE, and EMBARQ Brazil jointly brought together more than 200 Brazilian city officials and experts to discuss how to use the Global Protocol for Community-Scale Greenhouse Gas Emissions (GPC) to measure and manage greenhouse gas (GHG) emissions from cities. Representatives from Brazil’s federal and state governments, as well as city-level governments including São Paulo, Rio de Janeiro, Belo Horizonte, and Piracicaba, shared their experiences in conducting GHG inventories and implementing local climate actions.

Brazilian cities and municipalities vary in the status of their efforts to collect GHG data and conduct emissions inventories. The event focused on emissions management efforts so far. Below are six lessons highlighted by participants in the discussion:

1. Strong political commitment is crucial for success. Many cities in Brazil have made strong political commitments to address climate change. For example, Rio and Belo Horizonte have created municipal climate change laws with mandatory GHG reduction targets. Rio’s target is to reduce emissions by 20 percent below 2005 levels by 2020, while Belo Horizonte’s is 20 percent by 2030. In both cases, city-wide GHG inventories have been conducted to inform and track performance toward these targets.

2. The inventory is the first step in low-carbon development. Participants stressed the importance of the GHG inventory process (see figure below) as a planning tool to help cities assess their emissions, identify emission sources, set reduction targets, prioritize mitigation actions, and track performance. For instance, Belo Horizonte’s inventory found that the transportation sector is the city’s major source of GHG emissions (71 percent); this information will help the city identify reduction measures. Prof. Jose Goldemberg, former federal Minister and São Paulo State Secretary of Environment, stressed that GHG inventories help cities identify key emission sources and implement low-carbon technologies. Nelson Moreira Franco, Director for Climate Change Management and Sustainable Development for the City of Rio, stressed that the “GHG inventory is a powerful instrument to manage emissions and influence policy-making.”