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Greenhouse Gas Emissions Found To Be At ‘All-Time High’, That Warming Continues At ‘Unprecedented Rate’

A group of 50 leading scientists have said in an analysis that human-caused global warming has continued to increase at an “unprecedented rate” since the last major assessment of the climate system published two years ago

Greenhouse Gas Emissions Found To Be At 'All-Time High', That Warming Continues At 'Unprecedented Rate'
It is now increasing at a pace of over 0.2 degrees Celsius per decade, they wrote in the journal Earth System Science Data.

New Delhi: Greenhouse gas (GHG) emissions have been found to be “at an all-time high”, with human activity resulting in the equivalent of 54 gigatonnes of carbon dioxide being released into the atmosphere on average every year over the last decade. A group of 50 leading scientists have said in an analysis that human-caused global warming has continued to increase at an “unprecedented rate” since the last major assessment of the climate system published two years ago.

One of the researchers said the analysis was a “timely wake-up call” and it comes as climate experts meet in Bonn, Germany, to prepare the ground for the major COP28 climate conference in the UAE in December, which will take stock of progress towards keeping global warming to 1.5 degrees Celsius by 2050.

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The researchers wrote in the analysis that human-induced warming, largely caused by fossil fuel burning, reached an average of 1.14 degrees Celsius for the most recent decade (2013 to 2022) above pre-industrial levels, up from 1.07 degrees Celsius between 2010 and 2019.

It is now increasing at a pace of over 0.2 degrees Celsius per decade, they wrote in the journal Earth System Science Data.

In an initiative being led by the University of Leeds, UK, the scientists have developed an open data, open science platform – the Indicators of Global Climate Change. Its website will update information on key climate indicators every year.

Arguing that policymakers, climate negotiators and civil society groups need to have access to the latest and robust scientific evidence for decision-making, the scientists said that these key climate indicators have changed since the publication of the UN’s Intergovernmental Panel on Climate Change’s (IPCC’s) Sixth Assessment Working Group 1 report in 2021, which produced the key data that fed into the subsequent IPCC Sixth Synthesis Report.

While there has been a positive move away from burning coal, it has, in fact, added to global warming by reducing particulate pollution in the air, which has a cooling effect, the analysis noted.

Coordinator of the initiative, Piers Forster, Director of the Priestley Centre for Climate Futures at Leeds, said,

Long-term warming rates are currently at a long-term high, caused by highest-ever levels of greenhouse gas emissions. But there is evidence that the rate of increase in greenhouse gas emissions has slowed. We need to be nimble footed in the face of climate change. We need to change policy and approaches in the light of the latest evidence about the state of the climate system. Time is no longer on our side. Access to up-to-date information is vitally important.

Decline in remaining carbon budget, an estimate of how much carbon that can be released into the atmosphere to give a 50 per cent chance of keeping global temperature rise within 1.5 degrees Celsius, another major finding of the analysis, has been attributed to a combination of continued emissions since 2020 and updated estimates of human-induced warming.

The IPCC calculated in 2020 this budget to be around 500 gigatonnes of carbon dioxide.

By the start of 2023, the figure was roughly halved to 250 gigatonnes.

Even though we are not yet at 1.5 degrees Celsius warming, the carbon budget will likely be exhausted in only a few years as we have a triple whammy of heating from very high CO2 emissions, heating from increases in other GHG emissions and heating from reductions in pollution. If we don’t want to see the 1.5 degrees Celsius goal disappearing in our rearview mirror, the world must work much harder and urgently at bringing emissions down, said Mr Forster.

Maisa Rojas Corradi, Minister of the Environment in Chile, IPCC author and a scientist involved in this study, said,

An annual update of key indicators of global change is critical in helping the international community and countries to keep the urgency of addressing the climate crisis at the top of the agenda and for evidence-based decision-making.

He said that Chile had a climate change law aimed at aligning government-wide policies with climate action.

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(This story has not been edited by NDTV staff and is published from a syndicated feed.)

NDTV – Dettol have been working towards a clean and healthy India since 2014 via the Banega Swachh India initiative, which is helmed by Campaign Ambassador Amitabh Bachchan. The campaign aims to highlight the inter-dependency of humans and the environment, and of humans on one another with the focus on One Health, One Planet, One Future – Leaving No One Behind. It stresses on the need to take care of, and consider, everyone’s health in India – especially vulnerable communities – theLGBTQ population,indigenous people, India’s different tribes, ethnic and linguistic minorities, people with disabilities, migrants, geographically remote populations, gender and sexual minorities. In wake of the currentCOVID-19 pandemic, the need for WASH (Water,SanitationandHygiene) is reaffirmed as handwashing is one of the ways to prevent Coronavirus infection and other diseases. The campaign will continue to raise awareness on the same along with focussing on the importance of nutrition and healthcare for women and children, fightmalnutrition, mental wellbeing, self care, science and health,adolescent health & gender awareness. Along with the health of people, the campaign has realised the need to also take care of the health of the eco-system. Our environment is fragile due to human activity, which is not only over-exploiting available resources, but also generating immense pollution as a result of using and extracting those resources. The imbalance has also led to immense biodiversity loss that has caused one of the biggest threats to human survival – climate change. It has now been described as a “code red for humanity.” The campaign will continue to cover issues likeair pollution,waste management,plastic ban,manual scavengingand sanitation workers andmenstrual hygiene. Banega Swasth India will also be taking forward the dream of Swasth Bharat, the campaign feels that only a Swachh or clean India wheretoiletsare used andopen defecation free (ODF)status achieved as part of the Swachh Bharat Abhiyan launched byPrime Minister Narendra Modiin 2014, can eradicate diseases like diahorrea and the country can become a Swasth or healthy India.

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