Is fishing truly sustainable?

Many studies have shown that raising cattle and pigs for food is hard on the environment, and fish has long been considered a better alternative.

A clearer path to clean air in China

For more than 15 years, the Chinese government has invested billions of dollars to clean up its deadly air pollution, focusing intensely on reducing emissions of sulfur dioxide from coal-burning power plants.

Measuring global sulfur dioxide emissions with satellite sensors

Atmospheric sulfur dioxide affects the weather by enhancing cloud formation, and long-term shifts in emissions can change the climate by increasing the planetary albedo. Sulfur dioxide emissions are the basis for acid rain, ...

Study: Emissions trading doesn't cause pollution 'hot spots'

Programs that allow facilities to buy and sell emission allowances have been popular and effective since they were introduced in the U.S. two decades ago. But critics worry the approach can create heavily polluted "hot spots" ...

Carbon swap bank to beat climate change

Australian researchers have suggested that nations should abandon the concept of carbon emissions trading in favor of a carbon swap bank that might lead to genuine reductions in the amount of carbon dioxide greenhouse gas ...

page 4 from 7