Seasonal allergies caused by mold and other fungi now start an average of three weeks earlier than 20 years ago nationwide, likely due to rising temperatures caused by climate change. New research led ...

As Michigan’s climate warms, tree species like red pine and eastern white pine may no longer thrive here. Their native regions are moving north faster than forests can keep up with. That could have ...

The three scientists joined the administration after it dismissed hundreds of experts who were assessing how global warming ...

Powerful corporations, governments and political parties intentionally spread false information about climate change to avoid ...

The next presidential election is still a few years away, but Arizona's senators could be contenders in a wide-open ...

If climate change makes it even easier for them to hide, then the threat they represent, and thus their deterrence value, may be seen as more credible. But some experts caution against overstating ...

Mark Carney has the chance to differentiate Canada from the U.S. and demonstrate his leadership on climate. Instead, at the G7 summit and beyond, he seems to have abandoned his climate principles.

Ottawa's efforts to prepare the country for the impacts of climate change have stumbled out of the gate, Canada's environment commissioner said Tuesday. In a new report, Jerry DeMarco concluded ...

Democratic Sen. Mark Kelly of Arizona says President Trump's decision to strike Iran leaves the U.S. in a "dangerous" moment and he worries it may speed up its efforts to build a nuclear weapon.

Democratic Sen. Mark Kelly of Arizona says President Trump's decision to strike Iran leaves the U.S. in a "dangerous" moment and he worries it may speed up its efforts to build a nuclear weapon.

The G7 summit in Alberta, hosted by Prime Minister Mark Carney, has ended with only passing mention of fighting climate change, including a statement on wildfires that is silent on the pressing need ...

Climate change refers to a statistically defined change in the average and/or variability of the climate system, this includes the atmosphere, the water cycle, the land surface, ice and the living ...