Global warming, extinction of valuable living things, breathing disorders, skin diseases, melting of glaciers, increasing of sea water level, disorders in water, Carbon, Nitrogen and Hydrogen cycles, arrival of dangerous UV rays on account of the deteriorating of the Ozone layer, acid rains, land slides, soil erosions, floods, droughts and volcano eruptions have made this world a miserable inhabitant by now.

You mentioned all hazardous due to global warming.
I remembered 12 years before whole world discussed about global warming..Even when I was school,participated some events also.
What they told that time we can really face today.

#slbmc