Arizona Sky Village’s residents have one rule: ‘Turn off your goddamned lights’

Nearly every house in this rural 450-acre development of stargazers is equipped with its own domed observatory, and outdoor lights are strictly forbidden. Does it also hold answers for combatting America’s problem with light pollution?

Tipping point: revealing the cities where exercise does more harm than good

In at least 15 cities, air pollution has now become so bad that the danger to health of just 30 minutes of cycling each way outweighs the benefits of exercise altogether, according to new research

‘Extraordinary’ levels of pollutants found in 10km deep Mariana trench

Presence of manmade chemicals in most remote place on planet shows nowhere is safe from human impact, say scientists

Volkswagen and Nox emissions from its cars

NOₓ is a generic term for the mono-nitrogen oxides NO and NO₂. They are produced from the reaction of nitrogen and oxygen gases in the air during combustion, especially at high temperatures. You may have read Volkswagen (VW) has been cheating in emission tests by making its cars appear far less polluting than they are.Continue reading “Volkswagen and Nox emissions from its cars”