Discover and read the best of Twitter Threads about #anthropogenic
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Anthropogenic #CO2 emissions, combined with #deforestation and increased #human-caused ignitions have created the perfect storm for #megafires in the #Amazon #IPCC2014 
Warmer temperatures as a result of increased #anthropogenic #CO2, #detorestation and increased #fire activity can cause #positive #feedbacks that push the #Amazon towards a #tippingpoint resulting in a shift from #rainforest to #savanna forests
A shift from #rainforest to #savanna ecosystems will have global consequences. The rainforest creates its own weather by recycling moisture from the jungle. The trees absorb #CO2 and release #oxygen, literally the air we breathe.
Though I am really glad that #arsenic contamination of #groundwater in India, and specially #WestBengal is getting the attention it deserves, there is a major issue that needs wider discussion.
There is a simplistic argument that arsenic naturally occurs in the #Gangetic belt, the author uses the term “#geological curse”. If this is the case, why is heavy #arsenic contamination being reported from #Jharkhand and #Chattisgarh in Central India?
A possible answer to that may be traced to this MIT paper that was published in @NatureGeosci on #anthropogenic influence on #groundwater #arsenic contamination in #Bangladesh nature.com/articles/ngeo6…
