Humans currently release about 70 million tons of carbon dioxide every day into the atmosphere and about 20 million tons is being absorbed regularly by the oceans, causing the pH to drop. Chris Sabine describes current and projected future impacts of this acidification on marine ecology.
Climate scientist Michael MacCracken explores some of the scientific, legal, and ethical implications of "geo-engineering" options that have been proposed by some people to address global climate change.
The arrival of Hurricane Isabel in 2003 flooded the retirement home of a Chesapeake Bay couple. With sea level around the Chesapeake Bay rising faster than the global average, how are coastal residents planning for change?
Rhode Island's coasts are already feeling the impacts of rising seas. The Rhode Island Coastal Resources Management Council and Rhode Island Sea Grant are working with the legislature to explicitly address sea level rise and climate change in the state's building code.
The New Jersey FloodMapper is a user-friendly visualization tool for local communities who need to make decisions concerning flooding hazards and sea level rise. This tool should be used to promote enhanced preparedness and land use planning decisions with considerations for possible future conditions.
On April 15 in Berlin, Germany, the Intergovernmental Panel on Climate Change approved and released Working Group III's Fifth Assessment Report - a comprehensive assessment of all relevant options for mitigating climate change through limiting or preventing greenhouse gas emissions, as well as activities that remove them from the atmosphere.