Why we’re heading for a ‘climate catastrophe’ and what are we doing?

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Scientists say the world is completely off track.
Provided by Independent Digital News & Media Limited

Why we’re heading for a ‘climate catastrophe’ – BBC Newsnight

This year will see one of the biggest CO2 surges in more than six decades of measurements, according to the Met Office.

Rising emissions due to the world’s continued appetite for fossil fuels will combine with reduced absorption of greenhouse gas by withering grasslands and forests.

Describing the prediction as “worrying and compelling”, scientists said it was an urgent reminder that the time to cut out carbon is now

CO2 levels will be at a record high once again after emissions reached unprecedented levels last year, dashing hopes the world had finally hit “peak carbon”.

Besides fossil fuels pumping out the harmful gas, natural weather fluctuations will exacerbate the problem as they hamper the ability of carbon sinks to store it.

In 2019 an upward swing in tropical Pacific Ocean temperature will make many regions warmer and drier.



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As drought sets in and plants dry out, they will be less capable of sucking CO2 from the atmosphere, and massive deforestation in places like the Amazon is making this problem even worse.

The new predictions were based on monitoring at the Mauna Loa observatory in Hawaii, which has registered a 30 per cent increase in the concentration of CO2 since 1958.

“Carbon sinks have saved us from what has already happened – the future rise would have been about double if it wasn’t for the sinks. So we are lucky they exist, to be honest,” Professor Richard Betts of the Met Office Hadley Centre told The Independent.

“But the sinks themselves are affected by the climate, and that’s an important thing because it shows that as climate change continues in the future it may affect their strength.”

If emissions continue to rise, a major concern is that the carbon sinks currently storing carbon will cease to function, potentially leading to uncontrollable warming and a scenario dubbed “hothouse Earth”.

a close up of a map: Forecast CO2 concentrations at the Mauna Loa station for 2019 (orange), along with previous forecast concentrations and the real observed data (Met Office)

© Provided by Independent Digital News & Media Limited Forecast CO2 concentrations at the Mauna Loa station for 2019 (orange),

Last year Mauna Loa observatory recorded concentrations of over 410ppm in April, marking the highest level that had been reached in at least 800,000 years.

This year CO2 levels in the atmosphere are likely to hit 411 parts per million (ppm).

The Met Office forecast predicts the average increase in CO2 will be around 2.75ppm, the third largest annual rise on record, matched only by two years in which El Nino Pacific warming events took place.

Gallery: Places around the world already affected by climate change (Photo Services)

“We need to reduce emissions from fossil fuel use, increase soil carbon sequestration to ‘lock-up’ CO2, decelerate deforestation and land conversion, and promote less polluting more sustainable agriculture,” said Professor Nick Ostle from Lancaster University, who was not involved in the Met Office research.

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