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Explore the updated online encyclopedia from Encyclopaedia Britannica with hundreds of thousands of articles, biographies, videos, images, and web sites.

News, analysis, commentary, video and podcasts focused on developments in global climate politics

The Kyoto Protocol is a legally binding agreement under which industrialized countries will reduce their collective emissions of greenhouse gases by 5.2% compared to the year 1990.

CNN.com International delivers breaking news from across the globe and information on the latest top stories, business, sports and entertainment headlines. Follow the news as it happens through: special reports, videos, audio, photo galleries plus i...

NPR delivers breaking national and world news. Also top stories from business, politics, health, science, technology, music, arts and culture. Subscribe to podcasts and RSS feeds.

Global warming related climate change through increasing carbon dioxide levels is one of the greatest threats to our planet. Learn more about the issue and some of things you can do to reduce carbon emissions

Use Yahoo! News to find breaking news, current events, the latest headlines, news photos, analysis & opinion on top stories, world, business, politics, entertainment, sports, technology, and more.

Breaking news on weather, sports, world, science, financial, technology, travel, national, economy, and entertainment news provided by USATODAY.com. USATODAY.com provides video, sudoku, RSS feeds, crossword puzzles, audio, photo galleries, and email....

Current, in-depth environmental news and information about global warming, renewable energy, conservation, recycling and other environmental issues. Learn what others around the world are doing to protect the environment. Find out what steps business...