Syria just signed the Paris Agreement, making the U.S. the only country to refuse the climate change deal.
We are literally driving evolution and making new organisms.
We still have work to do, but this is great for our planet.
It could free up freshwater lands for other crops.
"This has been reviewed so many times in so many ways."
The visas would give potential refugees the chance to rebuild their lives.
Last year the concentration of carbon dioxide in the atmosphere increased at record pace.
Italian firm Stefano Boeri Architetti uses plants for more than decoration.
We may be able to halt climate change by hacking the environment.
The city hopes to use its limited space more efficiently.
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