What Happened to the Hole in the Ozone Layer?
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The extreme thinning of the Ozone layer threatened to bring on a global crisis from destroying plants and ecosystems to sky-high skin cancer rates. So, what happened? |
How extreme heat and poor sanitation endanger the health of women in outdoor jobs
It's a humid Friday afternoon at the M.G.R. Nagar market in Chennai. Piles of vegetables line the street, and fish are kept in ice boxes, under shade, to prevent spoilage in the stifling heat of May. View article...