Was Katrina a sign of the gathering storm? One year after Hurricane Katrina devastated the U.S. Gulf Coast, a new survey reveals a majority of U.S. citizens now believe global warming is responsible for extreme weather events in recent years. [News Source]

On insurance costs, coastal residents are feeling the heat. The US, especially in Washington, has not really grappled with climate change and man’s contribution to the trend. But through devices such as the insurance market, the costs already are beginning to mount. [News Source]

Cameron intensifies battle for green vote. David Cameron will today step up his campaign for the green vote by joining with the Liberal Democrats and Friends of the Earth to demand a bill to commit the government to reducing carbon emissions. [News Source]

Changing climate: ‘Compost effect’ may cause global warming to reach crisis point in 2050. The world faces a catastrophic rise in global warming in 2050 unless urgent action is taken to cut human-induced carbon emissions, a leading academic warned yesterday. [News Source]

Arizona wants greenhouse-emission authority. Arizona and four other states are seeking a U.S. Supreme Court ruling that the federal government can regulate automobile greenhouse gas emissions so states can, too. [News Source]

Governor, lawmakers strike deal on greenhouse gases. Democratic lawmakers and Gov. Arnold Schwarzenegger on Wednesday struck a deal on legislation to reduce the state's greenhouse gas emissions by 25 percent over the next two decades. [News Source]

California set to cap emissions. California is set to introduce tough new legislation to cut greenhouse gas emissions under a deal reached by Governor Arnold Schwarzenegger. [News Source]

California pact would place cap on emissions. California will impose the first broad cap on greenhouse-gas emissions, in a break with the U.S. government over global warming. The measure mandates a reduction in emissions to 1990 levels by 2020. [News Source]

California to pass tough new clean-air laws.

California is poised to become the first state in the nation to require industries and residents to cut global warming pollution.

Leaders accept California bill to cut emissions. California's political leaders announced an agreement on Wednesday that imposes the most sweeping controls on carbon dioxide emissions in the nation. [News Source]

Sick seas. Earth's oceans weigh more than some dwarf planets. Yet humanity is changing them. The seas are sucking up human-driven emissions of CO2 -- about half of the excess belched into the atmosphere over the past two centuries. [News Source]