A record-breaking arctic freeze has frozen the iconic Niagara falls, with tourists posting jaw-dropping photos of the falls on social media.
Across the northern hemisphere a few brave (or foolhardy) souls celebrated the festive season by diving into frozen lakes or paddling in frigid oceans.
According to Unesco, World Heritage coral reefs could become extinct by 2,100 if CO2 emissions are not controlled.
"Lots of people would crumble well before you reach wet-bulb temperatures of 32 C, or anything close," says climate scientist.
In 10,000 years, if humans survive, there will be no genetic differences in our makeup and we will be evenly distributed throughout the planet.
After breaking off, the iceberg, dubbed B-44, covered a 100-square-mile area and was found to be highly unstable.
Scientists reportedly plunged a 10Km-long acoustic probe into the ocean, which is reportedly capable of recording sounds 9.3Kms away.
Satellites captured the giant iceberg colliding with Larsen C's northern rift, which may result in the "opening" of some of existing rifts in the ice shelf.
The Met Office has said parts of the UK could be hit by 80mph winds and heavy rainfall that could cause flooding.
The week's best news, sport, weather and animal photos, from Christmas preparations to the run-up to New Year's Day 2018.
David Scheel and Nathan Hollenbeck from Alaska Pacific University used shrimp fishing pots as a snare to catch these octopuses.
This is one of the world's biggest, most prestigious photography competitions, with a big cash prize on offer, and the chance to show your work in London. And it's free to enter.
The first member of the hybrid species was likely born around 180,000 years ago. It was first spotted in Brazil in 1957.
Ice is melting, animals are starving and humans are sicker. However, solar power is cheaper now and electric cars are getting better. Here's a brief review of climate change in 2017.
The video was created as part of an effort to understand the endurance of these young creatures.