Without rapid and dramatic changes, the world will face a higher risk of extreme weather and other effects of climate change. AP Photo/Mike Groll

Carbon capture won’t reverse climate change

The UN's panel on climate change said that technologies to remove CO2 will be necessary to limit global temperature rise to only 1.5 degrees Celsius. But these techniques are largely unproven.
Traffic crosses over the Lions Gate Bridge from North Vancouver into Vancouver, B.C., in July 2015. Canada is increasingly becoming a suburban nation, with more people living in car-dependent suburbs.THE CANADIAN PRESS/Darryl Dyck. THE CANADIAN PRESS/Darryl Dyck

Canadians increasingly live in the auto-dependent suburbs

It's easy to over-estimate crowding and traffic in highly visible downtown cores and underestimate the vast growth happening in the suburban edges of our metropolitan regions.
Katla last erupted in 1918 – but there is no evidence to suggest that it will erupt again soon. ICELANDIC GLACIAL LANDSCAPES / wiki

‘Fake news’ about volcanoes could risk lives

We can't say that Katla in Iceland is 'due' to erupt, no matter what you have read.
Many farmers cultivating organic crops believe that genetically modified crops pose threats to human health. mythja/Shutterstock.com

Organic farming with gene editing

Is gene editing compatible with organic farming? A scholar explains the differences between old genetic engineering and CRISPR methods, and why the latter is similar to tradition plant breeding.
A three-banded clownfish (Amphiprion ocellaris) navigates the anemones of the Andaman Coral Reef, India. Ritiks/Wikipedia

Why Nemo the clownfish had three white stripes

Our children all know the little clownfish Nemo, star of the Pixar film. But why does he have three stripes, rather than one or two? Developmental and evolutionary biology are revealing the answer.
Sensible design can dramatically reduce waste of a renovation. Photo by Nolan Issac on Unsplash

Five ways to reduce waste on home renos

Renovations can create more waste than new constructions – but they don't have to.
Floodwaters surround farm equipment in the aftermath of Hurricane Florence near Trenton, N.C., on Sept. 16, 2018. (AP Photo/Steve Helber)

Trump’s ‘all-out effort’ on climate is derelict

Donald Trump claims his administration has carried out an "all-out effort" in preparing for the effects of climate change. Nothing could be further from the truth.
Oophaga andresii is one of the newly described species of Harlequin poison frog. Jose Andrés

Naming poison frogs helps fight illegal trade

With their jewel-like colours, Colombia's poison frogs are coveted by collectors. Does naming their species help protect them or make them a target for trophy hunters?
President Donald Trump tosses paper towels into a crowd at Calvary Chapel in Guaynabo, Puerto Rico in October 2017 following Hurricane Maria. Trump congratulated Puerto Rico for escaping the higher death toll of “a real catastrophe like Katrina.” A new study suggests almost 3,000 people died in Puerto Rico. (AP Photo/Evan Vucci, File)

Politics and paper towels: Disputing death tolls

As Trump fumes about the Hurricane Maria death toll, it's clear that politics and political considerations often play an important role in how death toll estimates are communicated to the public.

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