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We're getting closer to the ideal silicon solar cell.
In 2013, Beijing officials promised that they will close the city's four coal stations by the end of 2017, and they've kept their word.
German engineers turn on a huge light bulb to better understand solar energy.
The US had to work harder to have a chance at achieving their climate objectives, but now -- the country's going in the opposite direction.
A step in the right direction.
This is only the beginning.
It's even worse than we thought.
Mining is dirty work. But more to the point, it's very slow to set-up.
When the kea plays its playful call other parrots just can't help themselves and join in.
These oil and gas wells spill pretty often to the surface, a new study found.
This animal keeps on surprising us.
I mean, the EPA is against climate change, and the military understands the threat. Is the world upside down?
These "alternative facts" go against 150 years of research.
These fish are quite comfortable out of water.
"And mom, can you pay my rent? This beach is expensive."
Only Cruella de Vil wouldn't be happy.
Bees are more of the rural type, it seems.
The dads really pull through for these chicks.
Take note, this also applies to us.
It's never been easier to make an informed, market-based decision about going solar.
Seems like some good news for sharks!
A daring team of scientists will battle the elements to save ice cores which hold treasures of scientific data before it's too late.
It's the first frog known to be fluorescent.
In a massive win for big cats, Chinese officials have approved plans to establish a massive national park in the northeastern corner of the country.
America's largest renewable energy source will continue to add a lot of new jobs in the coming years.
It's a tough time to be a tiger.
An international study carried out over six years might spark new hope for Tasmanian devils threatened by the contagious devil facial tumour disease.
In the US, the fox is guarding the henhouse.
No part of the ecosystem is exempt.
When up and running, it will provide affordable energy for 80 million people.
Nothing short of an incredible story.
Lab meat is becoming a pretty interesting prospect.
The UK is taking huge strides -- but in the opposite direction.
Microbeads are slowly killing off oceanic wildlife -- and that's affecting us as well.
The flag's blue but we're green through and through.
Finally, scientists explain what's with the panda's cute black and white patches.
Oil spills are never a pretty sight but an innovative sponge-like material could make these events far less disastrous.
There's a massive opportunity to clean urban air if people can be convinced to share taxis.
Humanity gives with one hand and takes with the other. We just take a lot more than we give.
Companion cubes!
Shields up!
This man and his colleagues saved millions of lives. But you've probably never heard of him.
Putting a "price tag" in terms of human lives might help us understand just how bad the situation really is.
If we don't do it, we're just as screwed as them.
'The transition is fully underway. If we are looking for cheap, competitive and reliable, I don’t see much alternative to wind' says Wind Europe spokesman
They were cuter and silkier... but less adapted to a harsh environment.
Is it really a price worth paying?
Next time you go to Antarctica, pack your shorts.
In Beijing and other municipalities, all taxi drivers will be forced to gradually switch to electric.
They're the shortest sleepers in the animal kingdom. Scientists also found elephants get little to no REM sleep, which might be very important.
