Scientists say worsening heat waves have a clear link to climate change. This year, a seasonal El Niño pattern will also be adding fuel to the fire.

Kuujjuaq, Quebec experienced record-breaking temperatures this week. Locals say hunting practices and the ability to travel on the land are being significantly reduced by the thaw.

For many U.S. communities, the bleak predictions laid out in a new United Nations climate change report are more a reflection of the present and not just what’s to come.

Scientific American is the essential guide to the most awe-inspiring advances in science and technology, explaining how they change our understanding of the world and shape our lives.

Crops across much of Saskatchewan are scorched, stunted and thin as they wither under the unrelenting heat wave blanketing Saskatchewan, according to the province's latest crop report.

Several people have drowned or been reported missing after swimming in Pacific Northwest bodies of water during the record-breaking heat wave in the past few days.

The extended heat wave will continue through the week, according to the National Weather Service.

People living in the Yukon-Kuskokwim Delta felt something unusual this past holiday weekend: a heat wave. Temperatures crept close to 90 degrees in many parts of the region.

The science director for Cook Inletkeeper, a nonprofit organization that monitors the health of Cook Inlet, wrote a paper two years ago on what salmon streams might be like in the future with climate change.

In Yellowknife, the territorial capital, temperatures climbed above zero over the weekend, breaking a record high on Sunday with a temperature of 3 C.