In Climate
Greenhouse Gases
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Breaking Records
How the World Passed a Carbon Threshold and Why It Matters
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The Greenhouse Gas Riddle
What is Causing the Recent Rise in Methane Emissions?
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The World’s Tropical Forests Are Already Feeling the Heat
Much attention has been paid to how global warming is affecting the world’s polar regions and glaciers. But a leading authority on tropical forests warns that rising temperatures could have an equally profound impact on rainforests and are already taking a toll on some tropical species.
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Europe’s CO2 Trading Scheme: Is It Time for a Major Overhaul?
Now in its seventh year, the EU’s carbon emissions trading system is the only international program designed to use market mechanisms to control CO2 emissions. But critics contend it has done little to slow the release of CO2 and argue that it should be significantly reformed — or scrapped.
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Growth of Wood Biomass Power Stokes Concern on Emissions
Across the U.S., companies are planning scores of projects to burn trees and wood waste to produce electricity, claiming such biomass plants can be carbon-neutral. But critics contend that combusting wood is not really a form of green energy and are urging a go-slow approach until clear guidelines can be established.