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Climate and Environment

Global climate summit at risk of failure, UN chief warns

United Nations chief Antonio Guterres said a critical meeting on climate change later this year in Scotland is at risk of failure due to mistrust between developed and developing countries and a lack of ambitious goals among some emerging economies.

Hundreds of migrating songbirds crash into NYC skyscrapers

Hundreds of birds migrating through New York City this week died after crashing into the city's glass towers, a mass casualty event spotlighted by a New York City Audubon volunteer's tweets showing the World Trade Center littered with bird carcasses.

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?