![](http://static.ddmcdn.com/gif/ozone-140911-250.jpg)
Earth's damaged ozone should recover by 2050, although the hole over Antarctica may take longer.
![](http://static.ddmcdn.com/gif/blogs/dnews-files-2014-09-greenhouseignatius20140909x250.jpg)
Greenhouse emissions are being pumped into the atmosphere at a drastically higher rate than in the past.
![](http://static.ddmcdn.com/gif/recipes/3d-forest-140910-200x200.jpg)
NASA is creating a 3-D image of Earth's forests, in order to measure how trees scrub carbon from the atmosphere.
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