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NASA's new program prepares young Earth scientists to tackle tough environmental issues. In an airplane laboratory, students study everything from the growth of unusual algae blooms to the methane from a dairy cow's burp.

Some of the best men's tennis players in the world gather in Portland, Ore., for the start of the Davis Cup Finals. The three-day team event matches the U.S. against defending champion, Russia. The U.S. has won 31 Davis Cups — more than any other country — but none in a dozen years.

Another water rate hike in the city of San Diego has left a bad aftertaste for many residents. The new water rate hike will add about $4 a month to the average residential water bill. But water rate payers in the city of San Diego are beginning to total up a dramatic increase in bills in recent years. And, there's controversy over how the news went out about the latest water rate hike proposal.

The San Diego County Water Authority says conserving water this year is critical. The agency is worried that excessive outdoor watering will draw down reservoir water that will be needed next year. KP

Much of Haiti is an environmental disaster area, its mountains stripped of trees, its soil easily eroded by heavy rains that produce deadly floods and mudslides. Activists and entrepreneurs are coming up with ideas to reverse that damage.

A strong Pacific storm is expected to arrive Thursday and continue through Saturday morning. This storm has the potential to produce weather rarely seen in Southern California in September. It’s esti

Celebrating its 75th year, Anza-Borrego Desert State Park is the largest state park in California. The recent rains in the county have set up the perfect conditions for the desert wild flowers to bloo

Lake Superior is experiencing some of the lowest water levels recorded in 80 years. The shallow water is an inconvenience for recreational boaters, and an expensive problem for commercial shippers.

Targeting global warming, President Barack Obama and other leaders of the world's richest industrial countries pledged Wednesday to seek dramatic cuts in greenhouse gas emissions by 2050 to slow dangerous climate change. Setting a marker for success, they agreed for the first time that worldwide temperatures must not rise more than a few degrees.

The global market comes into play even for a product as local as fresh milk. Limited supply and big demand are driving up the price of dairy products.