If your AC isn't cooling, skip the call to the handyman and fix it yourself with our troubleshooting tips. We've all been there: The first summer heat wave comes to town and your air conditioner stops ...

Air conditioning has become an essential part of modern life, but its environmental impact is significant. Traditional cooling systems, largely unchanged since their invention in 1902, contribute ...

Federal agencies are racing to address climate change. But the government does almost nothing to prevent thousands of people from dying of extreme heat. Millions of Americans are endangered by extreme ...

In many parts of the world, the cool blast of an air-conditioner on a hot day is nowadays seen as a luxury rather than a necessity. Climate change is tipping the balance. Average global temperatures ...