On Saturday, March 28 people all over the world celebrated Earth Hour by switching off the lights and going dark.
Scroll down for Canadian photographs.
Canadians coast to coast, spent the hour with friends and family many by candlelight.
CBC Your Voice was also there by Twitter, here are some of the ways you took part in Earth Hour:
WWF's Earth Hour observed at 8:30 P.M. ET on March 28 is being hailed as the biggest ever global movement – a vote for the future of planet earth. Hundreds of millions of people are expected to take part by switching off non-essential lighting for an hour.
UN Secretary-General Ban Ki-moon is urging citizens around the world to join WWF's Earth Hour to demand action on climate change.
CBC News is taking an active role in this year's event and there are lots of ways for you to get involved.
This week's most commented story focuses on the CBC.
On Wednesday, CBC president and chief executive Hubert Lacroix announced plans to cut up to 800 jobs as part of the corporation's strategy to make up for a $171 million shortfall in 2009-10. He said the public broadcaster also needs to sell $125 million worth of assets to make up the shortfall.
Over 1200 of you reacted to the news and voiced your concerns through comments.
Here are the top five comments you most agreed with.
A swollen Red River has already exceeded record-high flood levels and forced the evacuation of 190 homes in two Fargo, North Dakota neighbourhoods.
The Canadian military is on standby to help in Manitoba's battle against the impending Red River flood, where cold weather is temporarily staving off the flood threat, but ice-clogged culverts, ice jams and the rising river will continue to threaten hundreds of homes.
Marc Evans sent us these photos of flooding in Lockport, Manitoba.
Check out what news stories CBC is following throughout the day on our new Twitter page.
@CBCNewsDesk is your source for what's making news.
Our executive producer Mary Sheppard and the news desk team will post the big stories CBC is chasing every morning and provide updates as the stories evolve.
If you don't have a Twitter account, simply head to Twitter.com and sign up, then search for CBC News Desk.
See you there!
Over 1500 of you weighed in on the story of Federal Science Minister Gary Goodyear's refusal to say whether he believes in evolution.
Many of you were left questioning what that means for Canadian research.
Here are the top five comments you agreed with.
March 20th marks the beginning of spring this year, but in some parts of the country the thaw has already begun.
Dwight Keen from Bolton, Ont. sent in these great photos of signs of spring in his community. The warm weather can't be too far behind!
Whether you're celebrating the patron saint of Ireland by wearing green or drinking green, on March 17th everyone can pretend to be Irish for a day.
Check out these great photos of Canadians showing their festive spirit!