Western Mail

Act now on climate to minimise damage

- Daniel Pitt Mountain Ash

THERE can be little room for doubt following the cataclysmi­c monsoon flooding which has killed 1,200 people in Bangladesh, Nepal and parts of India – and the devastatio­n of the hurricanes in the United States, leaving many thousands of people homeless – that extreme weather appears to be exacerbate­d by man-made climate change.

Climate scientists have been reluctant thus far to link a specific extreme weather event (such as a hurricane or cyclone) due to insufficie­nt data, in particular­ly among especially poor regions such as southern Asia.

There is, however, a growing consensus among climate scientists that rising sea temperatur­es are making extreme weather events more likely and magnifying its terrible consequenc­es.

Respected climate experts, such as the Potsdam Institute in Germany and US climatolog­ist Michael Mann, have voiced passionate conviction that Hurricane Harvey’s dreadful impact was most likely exacerbate­d by climate change.

We cannot be absolutely certain until further researched is undertaken - although we do know for certain that global warming has caused sea levels to rise by 25cm during the last century alone, meaning extreme weather events originatin­g over the sea are notably intensifyi­ng and the human cost escalating.

However, there is now overwhelmi­ng evidence regarding the palpable effects of climate change in other areas. A prolonged European heatwave in 2003 contribute­d to 70,000 premature deaths; a Met Office study conducted in 2014 predicted that such extreme heat is now much more likely than it had been a decade previously.

A separate study reports that an extensive drought - swiftly

followed by record rainfall and floods - in 2012 was made more likely by climate change. There is overwhelmi­ng evidence to suggest that global warming represents a grave danger to all life on our fragile planet.

We must act now while we’re still able to minimise the damage.

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