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Climate and Environment

Activists stage global rallies over climate change

Environmental activists, many of them students taking time out from school, staged rallies around the world on Friday to demand that leaders take stronger action to curb climate change amid dire warnings of an increasingly hotter globe if nothing is done soon.

Students march as part of the Fridays for Future climate movement’s initiatives, in Turin, Italy, Friday, Sept. 24, 2021. (Marco Alpozzi/LaPresse Via AP)

Opinion and Analysis

W5 HIGHLIGHTS

The trans woman taking on the doomsday church

W5 investigates a controversial Christian sect that has divided the small town of Aylmer, Ont. The Church of God Restoration and its fervent pastor have made headlines for their "anti-lockdown" rhetoric, causing turmoil in the once-sleepy town.

Signal detected: Are we alone in the endless abyss of space?

If aliens are sending us signals, are we set up to detect them? Dan Riskin speaks with planetary scientists, radio astronomers, and computer scientists who explain how the search for ET has ramped up in the last few decades. But if they're successful, is there a way to predict what alien creatures might look like?