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Without urgent action, those emissions will nearly double by 2050. Pixabay

BY VISHAL GULATI

On the eve of a year in which nations are due to strengthen their Paris climate pledges, a new UN Environment Programme (UNEP) report on Tuesday warned that unless global greenhouse gas emissions fall by 7.6 per cent each year between 2020 and 2030, the world will miss the opportunity to get on track towards the 1.5 degrees Celsius temperature goal of the Paris Agreement.


UNEP’s annual Emissions Gap Report says that even if all current unconditional commitments under the Paris Agreement are implemented, temperatures are expected to rise by 3.2 degrees Celsius, bringing even wider-ranging and more destructive climate impacts.

Collective ambition must increase more than fivefold over current levels to deliver the cuts needed over the next decade for the 1.5 degrees goal. 2020 is a critical year for climate action, with the UN climate change conference in Glasgow aiming to determine the future course of efforts to avert crisis, and countries expected to significantly step up their climate commitments.

“Our collective failure to act early and hard on climate change means we now must deliver deep cuts to emissions — over 7 per cent each year, if we break it down evenly over the next decade,” UNEP’s Executive Director Inger Andersen said.

“This shows that countries simply cannot wait until the end of 2020, when new climate commitments are due, to step up action. They and every city, region, business and individual need to act now.”

“We need quick wins to reduce emissions as much as possible in 2020, then stronger Nationally Determined Contributions to kick-start the major transformations of economies and societies. We need to catch up on the years in which we procrastinated,” she added.

“If we don’t do this, the 1.5 degrees Celsius goal will be out of reach before 2030.”


FILE – Mexico’s new climate law promises to reduce greenhouse gas emissions by 30% by 2020, which should make a difference in Mexico City, among the most polluted cities in the world. VOA

The Intergovernmental Panel on Climate Change (IPCC) has warned that going beyond 1.5 degrees Celsius will increase the frequency and intensity of climate impacts, such as the heatwaves and storms witnessed across the globe in the last few years.

G20 nations collectively account for 78 per cent of all emissions, but only five G20 members have committed to a long-term zero emissions target.

In the short-term, developed countries will have to reduce their emissions quicker than developing countries, for reasons of fairness and equity.

However, all countries will need to contribute more to collective effects. Developing countries can learn from successful efforts in developed countries; they can even leapfrog them and adopt cleaner technologies at a faster rate.

Crucially, the report says all nations must substantially increase ambition in their Nationally Determined Contributions (NDCs), as the Paris commitments are known, in 2020 and follow up with policies and strategies to implement them.

Solutions are available to make meeting the Paris goals possible, but they are not being deployed fast enough or at a sufficiently large scale.

Each year, the Emissions Gap Report assesses the gap between anticipated emissions in 2030 and levels consistent with the 1.5 degrees and 2 degrees Celsius targets of the Paris Agreement. The report finds that greenhouse gas emissions have risen 1.5 per cent per year over the last decade.

Emissions in 2018, including from land-use changes such as deforestation, hit a new high of 55.3 gigatonnes of CO2 equivalent.


The loss of huge swathes of forest around the world also has major implications for climate change as they absorb a third of the planet-warming greenhouse gas emissions produced globally. Pixabay

To limit temperatures, annual emissions in 2030 need to be 15 gigatonnes of CO2 equivalent lower than current unconditional NDCs imply for the 2 degrees Celsius goal; they need to be 32 gigatonnes lower for the 1.5 degrees goal.

On an annual basis, this means cuts in emissions of 7.6 per cent per year from 2020 to 2030 to meet the 1.5 degrees goal and 2.7 per cent per year for the 2 degrees goal.

To deliver on these cuts, the levels of ambition in the NDCs must increase at least fivefold for the 1.5 degrees goal and threefold for the 2 degrees Celsius.

Also Read: Living in Coastal Areas Can Support Better Mental Health: Study

Climate change can still be limited to 1.5 degrees Celsius, the report says. There is increased understanding of the additional benefits of climate action — such as clean air and a boost to the Sustainable Development Goals.

There are many ambitious efforts from governments, cities, businesses and investors. Solutions, and the pressure and will to implement them, are abundant.

As it does each year, the report focuses on the potential of selected sectors to deliver emissions cuts. This year it looks at the energy transition and the potential of efficiency in the use of materials, which can go a long way to closing the emissions gap. (IANS)


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