pollution

Science, Tech & Environment

A new book documents China’s exploitation of Tibet’s natural resources

The recent agreement between the US and China to reduce greenhouse emissions made headlines — and rightly so. It was a big step for both nations. But, striking a balance between environmental protection and economic ascendance is much more complicated than that. In China especially, it seems, for every step forward, there are often two steps back. Its actions in Tibet are a prime example, according to a newly-published book.

Lifestyle & Belief

Cambodia's big lake threatened

The World's Mary Kay Magistad reports on Southeast Asia's largest lake ? Cambodia's Tonle Sap ? and why environmentalists are worried about its future. Dams, logging and overfishing are some of the factors threatening the lake's ecosystem.

Conflict & Justice

Sarkozy pushes for carbon tax

French President Nicholas Sarkozy wants to impose a carbon tax on households and businesses that emit greenhouse gases. But the French say they feel too taxed already. Anchor Marco Werman finds out more from Guillaume Debre of the French TV Channel TF-1.

Conflict & Justice

EU environmental laws influence US

Over the last two decades Europe has been forcing more companies to make sure their products don't harm human health or end up in the environment. And that principle is now taking hold here in the US. Liam Moriarty of station KPLU in Seattle reports.

Science, Tech & Environment

A proposed Ohio gas pipeline is raising safety and property rights concerns for landowners in Ohio

Believe it or not, the Keystone XL pipeline is not the only pipeline in North America. Pipelines that carry natural gas from wells to refineries stretch hundreds of miles in the US, crossing public and private land. Many of these pipelines are planned for densely populated areas, and in some states, local opposition has been fierce.

Science, Tech & Environment

Rising carbon dioxide levels may reduce the nutritional value of important foods

Rising levels of atmospheric CO2 are already having significant impacts on climate, weather patterns and water supplies. Scientists expect increased carbon dioxide levels will also affect agriculture across the world, in ways we can't predict. The results of a recent study suggest that one of those affects could be quite alarming.