With a hole in the ozone layer, we need to protect ourselves against an increased amount of ultraviolet (UV) rays reaching us.
Good water resource management is vital for sustainable development.
An ounce of prevention is worth a pound of cure.
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by Ali, Sudan
11 02 2014
Water / Desertification
by Andrezza Nascimento, Brazil
23 01 2014
Weather / Water / Natural hazards
by Dan, USA
18 12 2013