Countries’ latest emissions targets will still lead to catastrophic climate change

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New targets announced by countries to drive down greenhouse gas emissions are projected to curb global warming to 2.4C by 2100, analysis suggests. This is considerably higher than the 1.5C the world is supposedly aiming for to avert catastrophic climate change.

Not good enough

An “optimistic scenario” in which countries deliver fully on their promises to cut emissions to net zero by around mid-century could limit warming to 2C, the assessment by Climate Action Tracker (CAT) said. But pledges made by countries to tackle pollution still leave the world well off track to meet the tougher limit of 1.5C under the international Paris Agreement, to avoid the most severe impacts of climate change.

And without new, stronger policies in place to meet the targets, the world could face warming of 2.9C by the end of the century, analysts warned.

Bill Hare, chief executive of Climate Analytics, one of the CAT partner organisations, said:

It is clear the Paris Agreement is driving change, spurring governments into adopting stronger targets, but there is still some way to go, especially given that most governments don’t yet have policies in place to meet their pledges.

Read on...

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Our warming estimate from current policies is 2.9C – still nearly twice what it should be, and governments must urgently step up their action.

The analysis includes new climate announcements by countries at a virtual summit last month hosted by Joe Biden, including the US’s pledge to halve emissions by 2030 and the UK’s promise to cut pollution by 78% by 2035, and those made since September last year.

‘Ambitious’ but not ambitious enough

The new targets, which include national plans for cutting emissions by 2030, known as “nationally determined contributions”, have brought down projected end of century warming by 0.2C, so it is now likely to be 2.4C.

If all the countries with pledges to cut their emissions to net zero in the longer term, including the US, China and 129 others covering nearly three quarters of global pollution, fully meet their goals, warming could be limited to 2C.

Reaching net zero – which is needed to prevent temperatures from continuing to rise – involves cutting emissions as much as possible and offsetting any remaining pollution with action that absorbs carbon.

The Paris Agreement, which commits countries to limit temperature rises to “well below” 2C above pre-industrial levels and pursue efforts to keep them to 1.5C, to reduce the risks and impacts of climate change, is helping drive more ambitious targets, the analysis said.

Climate chaos

Scientists warn that temperature rises above 1.5C will lead to more heatwaves, extreme rainstorms, water shortages and drought, greater economic losses and lower crop yields, higher sea levels and worse damage to coral reefs.

The analysis found the gap between the emissions cuts needed by 2030 to put the world on track to curb global warming to 1.5C and what countries have pledged to deliver has narrowed by 11-14% as a result of the new targets – but there is still a long way to go.

And with the world already around 1.2C warmer than it was in pre-industrial times, action is urgently needed, analysts from the NewClimate Institute and Climate Analytics, who produce the tracker, warn.

The assessment calls for countries to submit more ambitious 2030 targets to cut emissions, to get the world on track to curb warming to 1.5C this century, and to tighten their policies and implement them urgently.

Renewable electricity and electric vehicles are showing promise, but the analysis warned that some governments were still building coal-fired power plants and there was increasing uptake of gas for electricity, while there was also a trend towards larger, inefficient SUVs in some countries.

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  • Show Comments
    1. Whether it is unprecedented Westcoast wildfires, an exodus of sea life due to warming waters, Europe’s hottest year on record, off-the-chart poor-air advisories, unprecedented stalling hurricanes, the mass deforestation and incineration of the Amazonian rainforest (home to a third of all known terrestrial plant, animal and insect species), record-breaking flooding in Europe, single-use plastics clogging life-bearing waters, a B.C. (2019) midsummer’s snowfall, the gradually dying endangered whale species or geologically invasive/destructive fracking or a myriad of other categories of large-scale toxic pollutant emissions and dumps — there has been discouragingly insufficient political courage and will to properly act upon the cause-and-effect of manmade global warming and climate change.

      ‘Liberals’ and ‘conservatives’ (etcetera) are overly preoccupied with boisterously blasting each other for their politics and beliefs thus diverting attention away from the greatest polluters’ moral and ethical corruption, where it should and needs to be sharply focused. Humankind is distracting itself/ourselves from our own burning and heavily polluting of our sole spaceship, planet Earth. If it were not for environmentally conscious and active young people who are just reaching voting age, matters would be even bleaker than they are. Plus, the dinosaur electorate who’ve been voting into high office consecutive fossil-fuel-promoting or complicit/complacent-neoliberal governments for decades are gradually dying off thus making way for far more climate conscious voters.

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