Methane emissions spike: Is there one main culprit?

The level of methane in the atmosphere has risen dramatically in the last decade—and climate scientists are worried. Although there's still roughly 60 times less of it floating around than carbon dioxide, the gas heats ...

Conservationists urge 'tighter wildlife laws' after Trump move

Countries should be strengthening their laws protecting endangered species, not weakening them, international conservationists said Tuesday, after US President Donald Trump's administration announced plans to alter the country's ...

Picky pathogens help non-native tree species invade

Walk into a forest comprising only native trees, and you probably notice many different tree species around you, with no one species dominating the ecosystem. Such biodiversity—the variety of life and species in the forest—ensures ...

Colonial genocide is a composite act: A human rights analysis

Canada is currently embroiled in a debate about whether the National Inquiry into Missing and Murdered Indigenous Women and Girls should have used the word "genocide" to describe our federal, provincial and municipal governments' ...

Crest Whitestrips and the myth of big company innovation

Paul Sagel seems to have violated all the presumed rules about innovation at big companies. With a swipe of gel and a strip of plastic, the Procter & Gamble research fellow created a $250 million annual line of business for ...

How a leap of faith can take science forward

At the movies, scientific discoveries are often portrayed as a Eureka moment in the laboratory. Reality, however, couldn't be more different—early-stage academic inventions often require long cycles of testing, validation ...

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