Global Warming

People who dismiss climate change often claim that the earth's warm-up is simply part of “natural climate variability.” A paper published in July in Nature puts that argument to rest. The authors show that warm and cold years were regularly interspersed durin…

Alaska, a rapidly changing realm, will never cease to amaze Rick Thoman, a veteran climate scientist at the Alaska Center for Climate Assessment and Policy even after a year of broken heat records and unprecedented losses of ice.  Now in the deep of fall, Al…

Joan Hodgins remembers the "wonderful day" in April 1973 as she hiked up hills and hopped over creeks with half a dozen kids participating in an outdoor program she led near Whitehorse. Along the way, the 22-year-old educator plopped what looked like tiny b…

Elon Musk has pledged to donate $1 million to a campaign that aims to plant 20 million trees around the world by January 1, 2020. He even changed his Twitter handle to @Treelon. Twitter CEO Jack Dorsey followed suit with a $150,000 pledge of his own.  The c…

Greta Thunberg, the teen climate activist whose school strikes have inspired millions of others around the world, has declined her latest environmental prize, the Nordic Councils Environmental Award, calling it a huge honour but ultimately not accepting the $…

The industrial carbon tax, known as the Technology Innovation and Emissions Reduction (TIER) system, is the centrepiece of Premier Jason Kenneys climate strategy and replaces a similar system introduced by his New Democratic predecessor. JASON FRANSON/The Ca…

Study Finds Global Warming Accelerating Formation Of Polar Fire Caps

In the case of the increasingly frequent wildfire disasters in California, I argued the other day that they have multiple causes: poor maintenance by PG&E, expanded human settlement at the margins of fire-prone woodlands, and global warming. But I dont th…

As I write this, massive fires are erupting all over California, and massive protests are erupting all over the world. Is the former a facet of the climate crisis? Is the latter a symptom of hyperpolarization caused by hyperconnectivity? Yes, I mean no, I mea…

Scientists at the University of Southampton have shown how a specific type of symbiotic algae, which lives in coral tissue, is able to adapt and survive the hotter seawater temperatures caused by global warming. The team identified that one particular specie…