Technology & Science - CBC News

Skip to Main Content

We're in a new space race, but what toll is it taking on our environment?

Rocket launches are a breathtaking culmination of human ingenuity as they propel us into the future, but there is a growing concern that not enough research has been done on their effect on the environment.

Nicole Mortillaro

Technology & Science April 22

Trudeau pledges to slash greenhouse gas emissions by at least 40% by 2030

John Paul Tasker

Politics April 23

NASA makes breathable oxygen from thin air on Mars

Technology & Science April 22

Climate crossroads

The race to save the threatened strip of land that links Nova Scotia and New Brunswick

Canada Nova Scotia April 21

Canada's past climate promises have been a flop. Could that change at this summit?

Canada's past climate promises have been a flop. Could this time be different? The U.S. is hosting a climate summit in a rapidly altering world, riven by geopolitical tension, changing technology, and a warming planet. Prime Minister Justin Trudeau used it to set a new target of 40-45 per cent emissions cuts.

Alexander Panetta

Carbon-cutting strategy should take a couple of pages from the campaign against smoking

The fight to phase out smoking was a public policy success, and two government actions in particular are worth emulating when it comes to reducing carbon emissions, writes Eric Campbell.

Opinion April 22

Biden urges countries to meet this 'moment of peril' by stepping up emissions cuts

Saying the United States and other big economies "have to get this done," U.S. President Joe Biden opened a global climate summit Thursday aimed at getting world leaders to dig deeper on emissions cuts. The United States pledged to cut in half the amount of climate-wrecking coal and petroleum fumes it is pumping out.

More than 1,500 tree planters prepare to head west to reforest B.C. Interior

Betsy Trumpener

Canada British Columbia April 22

Activists wait for RCMP to clear old-growth logging blockades on Vancouver Island

Canada British Columbia April 22

Ontario calls wild pigs 'ecological trainwreck.' Now it wants a plan to keep them out

Canada London April 21

This Montreal-born engineer helped fly a helicopter on Mars. She says it's a win for diversity here on Earth

Radio The Current April 21

Turkey claims it no longer needs Canadian military drone tech

Politics April 21

Canada's new climate change target will exceed 40% cut in emissions: Radio-Canada sources

Politics April 21

Scientists rediscover lost coffee species suited to a warmer climate

Technology & Science April 21

Decades-long battle over 2 B.C. lakes shines light on public access to Crown lands

Canada British Columbia April 22

Why the Canada jay's friendly begging for food is an evolutionary winter survival tactic

Canada Calgary April 21

What happened at Rogers? Day-long outage is over, but questions remain

Business April 20

Budget goes big on green spending as environmentalists criticize tax credits for carbon capture

Ryan Patrick Jones

Politics April 20

Halifax-based developer of CO2-injected concrete wins multimillion-dollar prize

Canada Nova Scotia April 20

Alberta has cicadas too, but not massive 'Brood X' numbers emerging in U.S. after 17 years underground

Canada Calgary April 20

NASA's Ingenuity helicopter makes historic 1st flight on Mars

Technology & Science April 19

Rogers says service starting to return after Canada-wide wireless outage

Business April 20

Expanded during pandemic, virtual medical care offers big climate benefits: researchers

Stephanie Dubois

Technology & Science April 19

Tree-range chickens: How raising poultry in the woods of B.C. could improve food security for some communities

Canada British Columbia April 19

Criticism of carbon offsets doesn't acknowledge changes to how projects are approved, monitored

Opinion April 18

Tonnes of microplastic are soaring into the atmosphere from roads, oceans and fields

Radio Quirks & Quarks April 16

These ants shrink their brains for motherhood — but can also grow them back

Radio Quirks & Quarks April 16

Polluted coastlines: How a diver reinvented his career to clean up N.L.'s harbours

Canada Nfld. & Labrador April 18

now