Canada ‘must act now on climate change’ (Independent Online) Unless Canada's new government moves quickly to tackle global warming, the country's economy and quality of life will suffer in decades to come, the world's top environmental experts have warned Prime Minister Stephen Harper. [News Source]

Top scientists call on Harper to take action on climate change (Canadian Press via Yahoo! News) OTTAWA (CP) - A group of top Canadian climate scientists and oceanographers is calling on Prime Minister Stephen Harper to develop a national strategy on climate change. [News Source]

Climate Change Will Be Significant but Not Extreme, Study Predicts (Washington Post) Earth will experience significant climate change in the coming century as a result of greenhouse gas buildups, but the more extreme estimates of global warming generated by some studies are unlikely to occur, according to newly published research. [News Source]

Scientists urge Canada to act now to halt global warming (AFP via Yahoo! News) Ninety top scientists in Canada pressed Prime Minister Stephen Harper, who is hostile to the Kyoto Protocol, to tackle climate change now or risk devastating consequences for the country. [News Source]

Act now on climate change, scientists urge Canada (Reuters via Yahoo! News) Unless Canada's new government moves quickly to tackle global warming the country's economy and quality of life will increasingly suffer in decades to come, 90 top environmental experts told Prime Minister Stephen Harper in an open letter. [News Source]

Melting Point: Tracking the Global Warming Threat (CNN.com) Set your VCR to record the CNN Presents Classroom Edition: Melting Point: Tracking the Global Warming Threat when it airs commercial-free on Monday, May 5, 2006, from approximately 4:10 - 5:00 a.m. ET on CNN. (A short feature begins at 4:00 a.m. and precedes the program.) [News Source]

Greg, meet Ron. Ron, meet Greg. King County Executive Ron Sims on Tuesday proposed a tax to improve bus service across the county — his shot at coaxing people from their cars. [News Source]

Trickle-up response to global warming offers hope. But instead of sliding into cynicism like the Bush administration and Congress, Americans are leading their country toward smart energy solutions that will preserve this beautiful planet for our children. [News Source]

Hot air. Among scientists today, global warming is like a great theological debate that separates skeptics from true believers. It even divides the believers. [News Source]

A greenhouse guessing game. After talking up path-breaking policies on global warming, Gov. Arnold Schwarzenegger has discovered -- surprise, surprise -- that tough rules make for hot politics. As legislative action draws near, he is bobbing and weaving. [News Source]

Schwarzenegger plans to meet with Bush. President Bush and Gov. Arnold Schwarzenegger will meet briefly on Friday in Silicon Valley, where the governor hopes to press for more federal funding to shore up California's aging levees. [News Source]