Based on individual trends within cities, Washington was by far the leader in rat increases, followed by San Francisco, Toronto, New York City and Amsterdam.

Leading Liberal leadership contender Mark Carney unveiled his new climate change plan Friday accusing Conservative Leader ...

Explore the debate on climate change causes: human activities vs. natural variability. Discover the latest data, scientific consensus, and impacts of global warming.

A climate change lawsuit was tossed out in Annapolis and Anne Arundel County, reports said. The suit sought damages from oil ...

New research suggests that ancient Mars might have experienced alternating hot and cold periods, enabling it to retain liquid ...

In concept, the public supports battery-powered cars, windmills, and solar farms to shrink California's carbon footprint. But some also see a downside.

In announcing a $35 billion program to bring inexpensive solar power to some 300 million Africans, officials left out two words: climate change.

Pennsylvania Gov. Josh Shapiro says he wants to fast-track the construction of power plants in Pennsylvania and offer hundreds of millions of dollars in tax breaks for projects that produce electricit ...

Springfield lawmakers will hash out a plan to move solar and wind projects forward after sluggish growth for clean power in Illinois and a recent rise in coal and natural gas demand.

Amy Cilimburg writes, Clean electricity powered by the sun is the future. It really is time to turn off fossil fuels and turn ...

A new study found that the ocean temperature is rising four times faster than it was in the 1980s, and it's not just because of climate change.

It’s going! It’s going!” someone shouts. We hurry up a short flight of steps to an illuminated aquarium tank hidden behind a ...