Amazon rainforest may face tipping point by 2050: Study

The Amazon rainforest is facing a barrage of pressures that might tip it into large-scale ecosystem collapse as soon as 2050, according to new research Wednesday warning of dire consequences for the region and the world.

At least 50 dead in Pakistan monsoon floods

At least 50 people, including eight children, have been killed by floods and landslides triggered by monsoon rains that have lashed Pakistan since last month, officials said Friday.

Amazon basin tree rings hold a record of the region's rainfall

The Amazon basin contains the world's largest rain forest, famous for its rich biodiversity and importance in the world's oxygen and carbon cycles. It also has an outsized influence on water cycles in South America and beyond. ...

Millions of farmers 'replumb' the world's largest delta

Collective groundwater pumping by millions of farmers in Bangladesh in the dry season each year has created vast natural reservoirs underground that, over a 30-year-period, rival the world's largest dams—these sustain irrigation ...

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