Citibike station in midtown Manhattan.
Dozens of US cities have launched bike-share programs in the past decade. There have been bumps – critics want wider access, and cities want bikes stored out of the way – but bike sharing is on a roll.
Production facility manager Derek Delahaye eats roasted crickets at the Entomo Farms cricket processing facility in Norwood, Ont., in 2016. Bugs are a diet staple in most parts of the world. Will Canadians join the masses in their search for alternate sources of protein to meat?
THE CANADIAN PRESS/Fred Thornhill
Canadians are increasingly looking to alternatives to meat to get their protein. Pulses like lentils and chickpeas are becoming more popular. Will insects find a way onto our plates too?
Australia will have to regulate its considerable shipping industry.
Until now, the international shipping industry has been excluded from the Paris Agreement and the Kyoto Protocol, despite its major contribution to global emissions.
An adult Halyomorpha.
An invasive insect native to Asia, Halyomorpha halys, has been detected in the US, Canada and southern Europe. It’s now made its debut in Paris.
Tundra swans, which nest in the Arctic and migrate south in fall, alight at Mattamuskeet National Wildlife Refuge in North Carolina.
The Interior Department is narrowing protection for migratory birds to cover only deliberate harm such as hunting, but not threats like development or pollution that kill millions of birds yearly.
Electric cars are taking over – but they really as green as they look?
Jack Amick / flickr
Electric cars might be a quick fix to clean up transport, but the problems with cars go beyond just emissions.
Plant-based milks made from nuts, seeds and peas are becoming big business.
This is a critical time for our planet. What we eat and how we get our food will shape its future.
Boat noise can interfere with the underwater communication of fishes and other marine animals.
The noise from motor boats, sonar and other industrial activity interferes with the underwater chatter of fishes.
Plant remains, preserved in lake sediments like in the Republic of Congo help give accurate deforestation information.
Tropical deforestation can release a huge amount of carbon into the atmosphere, contributing to climate change.
Don’t believe the wipe hype: they can’t be flushed down toilets, not matter what the label says.
SIM Central and South East Asia Follow/Flickr
Just because something is advertised as 'flushable' doesn't mean you should put it in your toilet.
Natalie Renier/Woods Hole Oceanographic Institution
How we showed the Atlantic circulation system is its weakest for 1,600 years.
A cargo ship passes the Golden Gate Bridge outside San Francisco.
AP Photo/Jeff Chiu
The maritime pollution that drifts to dry land, causes an estimated 400,000 premature deaths and 14 million cases of childhood asthma each year.
Hackers can interfere with everyday efforts to keep the lights on.
It's easier to see how customers benefit from increased grid security than it is to justify making them pay for it.
Juvenile blue tang sheltering in restored staghorn coral.
With coral reefs in crisis around the world, many organizations are working to restore them by growing and transplanting healthy corals. A new study spotlights techniques that help restored reefs thrive.
Dust storms in the Gulf of Alaska, captured by NASA’s Aqua satellite.
There are more satellites than ever before, orbiting Earth and collecting data that's crucial for scientists. Why do some nations choose not to share that data openly?