32 - Decline in Agricultural Yields

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This is one of the greatest threats to humanity. Declines in agricultural yields have already led to conflicts in Rwanda and Syria.

7
Causes

Decline in Agricultural Yields

In northern countries, a little increase in temperature can lead to better yields, but in southern countries, it's the contrary: Any degree warmer is a decrease in yields.


Decline in Agricultural Yields

Bees and worms are indispensable to agriculture.


Decline in Agricultural Yields


Decline in Agricultural Yields


Freshwater Resources

Decline in Agricultural Yields


Marine Submersion

Decline in Agricultural Yields


Decline in Agricultural Yields


2
Consequences

Decline in Agricultural Yields


Decline in Agricultural Yields


2
Other possible causes

Decline in Agricultural Yields

Studies have shown that yields increase with increased CO2, but that the nutrient content of vegetables is reduced as a result, because trace elements are not more abundant when yields increase.


Decline in Agricultural Yields

Generally forests burn better than wheat fields.


1
Wrong consequence

Decline in Agricultural Yields

Yes, the yield decline does affect agriculture, but the agriculture card is here to stand for one of the causes of GHG emissions.