The United States is a serious and determined partner in combating global warming, President Barack Obama told world leaders Tuesday as he sought to show U.S. resolve ahead of crucial climate change talks in Copenhagen in December.
Eight stories above midtown Manhattan, a new billboard has begun counting how much, and how fast, greenhouse gases are entering the atmosphere. Climate Central reports.
Special correspondent Hendrick Smith reports on pollution in the Pacific Northwest's salmon streams four decades after the passage of the Clean Water Act. Smith's report grew out of research from his recent Frontline project, "Poisoned Waters."…
By Admin, PBS NewsHour
Coral in Australia's Great Barrier Reef are growing at their slowest rate in at least 400 years, according to a new study.
In a landmark decision, a Washington state pollution board has ruled that flow of polluted storm water into local water systems must be reduced. Lee Hochberg reports on the ruling and controversy over the impact of new home developments on…
By PBS NewsHour
Scuffles broke out Friday as nearly 50,000 people who had waited up to two days for the final batch of tickets to next month's Olympic Games swarmed sales windows in Beijing.
Nearly three years after Hurricane Katrina hit New Orleans, the city is still coping with the toxic debris the storm left behind. Betty Ann Bowser reports from New Orleans on the ongoing controversy over the city's landfills.
Since undertaking market reforms in late 1970s, China has enjoyed an economic boom -- but the economic progress has also produced serious environmental damage and pollution problems. Margaret Warner reports on China's environmental woes and their impact on the run-up…
As scientists debate how to address climate change, one proposal for businesses creates a carbon credit system that allows emission producing companies to buy credits from companies that use energy efficient technologies as a way to offset overall environmental impact.
Cleanup is making headway in the aftermath of an oil spill in the San Francisco Bay but questions remain as to the nature of the ship collision that caused the spill, and the long term environmental impacts. Spencer Michels looks…
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