Hann Bay, Senegal: from coastal idyll to industrial dumping ground – in pictures – the Guardian

Burning garbage on beach of Hann Bay (Peter A. Harrison CC BY-NC 2.0 DEED via Flickr).

It’s mid-morning on a sunny day and Yvette Yaa Konadu Tetteh’s arms and legs barely make a splash as she powers along the blue-green waters of the River Volta in Ghana. This is the last leg of a journey that has seen Tetteh cover 450km (280 miles) in 40 days to become the first person known to swim the length of the waterway.

It’s an epic mission but with a purpose: to find out whatis in the water and raise awareness of pollution in Ghana…

Earth on verge of five catastrophic climate tipping points, scientists warn – the Guardian

Watercolor painting of the earth with hot gradient (by Martin Eklund, CC0, via Wikimedia Commons).

Humanity faces ‘devastating domino effects’ including mass displacement and financial ruin as planet warms…“Tipping points in the Earth system pose threats of a magnitude never faced by humanity,” said Tim Lenton, from the University of Exeter’s Global Systems Institute. “They can trigger devastating domino effects, including the loss of whole ecosystems and capacity to grow staple crops, with societal impacts including mass displacement, political instability and financial collapse…”