P EOPLE ARE dying for clean air. According to the most recent estimates from the Institute of Health Metrics and Evaluation at the University of Washington, air pollution caused 4.7m early deaths ...

Nanotechnology is the use of materials that are one-billionth of a meter (a nanometer) in size. One of its potential uses is ...

A dramatic aircraft chase of a falling spacecraft has provided new insights into the fiery processes that accompany the ...

Such an increase could cause "potentially significant" ozone ... Both rockets and reentering satellites inject air pollution into higher layers of the atmosphere, which are out of reach of ground ...

"Inspections are necessary to ensure that these systems continue to work." Government lays out strict new requirements for ...

The safeguards closed a loophole by requiring all “major” sources of seven hazardous air pollutants to maximize their emissions reductions.

Contaminated water can cause ill health ... which would be another form of environmental pollution. The technology is being used successfully in India and China’s water systems, however.

The kinds of pollution found in South Africa’s water are largely due to: Contaminated water can cause ill health ... are the costs of setting up nanotechnology systems, building technology that can ...