December 10, 2023

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From Kalapuya lands in the Willamette watershed

IPCC synthesis report: Urgent climate action needed on everything, everywhere, all at once

4 min read
The report recommends climate resilient development to reduce greenhouse gas emissions, and suggests prioritizing climate risk reduction for low-income and marginalized communities.

from the Intergovernmental Panel on Climate Change

A major UN “report of reports” from the authoritative UN Intergovernmental Panel on Climate Change outlines the many options that can be taken now, to reduce greenhouse gas emissions and adapt to human-caused climate change.

The study, “Climate Change 2023: Synthesis Report,” released March 20 following a week-long IPCC session in Interlaken, brings into sharp focus the losses and damages experienced now, and expected to continue into the future, which are hitting the most vulnerable people and ecosystems especially hard.

Temperatures have already risen to 1.1 degrees Celsius above pre-industrial levels, a consequence of more than a century of burning fossil fuels, as well as unequal and unsustainable energy and land use. This has resulted in more frequent and intense extreme weather events that have caused increasingly dangerous impacts on nature and people in every region of the world.

Climate-driven food and water insecurity is expected to grow with increased warming: when the risks combine with other adverse events, such as pandemics or conflicts, they become even more difficult to manage.

Time is short, but there is a clear path forward

If temperatures are to be kept to 1.5 degrees Celsius above pre-industrial levels, deep, rapid, and sustained greenhouse gas emissions reductions will be needed in all sectors this decade, the reports states. Emissions need to go down now, and be cut by almost half by 2030, if this goal has any chance of being achieved.

The solution proposed by the IPCC is “climate resilient development,” which involves integrating measures to adapt to climate change with actions to reduce or avoid greenhouse gas emissions in ways that provide wider benefits.

Examples include access to clean energy, low-carbon electrification, the promotion of zero and low carbon transport, and improved air quality: the economic benefits for people’s health from air quality improvements alone would be roughly the same, or possibly even larger, than the costs of reducing or avoiding emissions

“The greatest gains in wellbeing could come from prioritizing climate risk reduction for low-income and marginalized communities, including people living in informal settlements,” said Christopher Trisos, one of the report’s authors. “Accelerated climate action will only come about if there is a many-fold increase in finance. Insufficient and misaligned finance is holding back progress.”

Governments are key

The power of governments to reduce barriers to lowering greenhouse gas emissions, through public funding and clear signals to investors, and scaling up tried and tested policy measures, is emphasized in the report.

Changes in the food sector, electricity, transport, industry, buildings, and land-use are highlighted as important ways to cut emissions, as well as moves to low-carbon lifestyles, which would improve health and wellbeing.

“Transformational changes are more likely to succeed where there is trust, where everyone works together to prioritize risk reduction, and where benefits and burdens are shared equitably,” said IPCC Chair Hoesung Lee.

“This Synthesis Report underscores the urgency of taking more ambitious action and shows that, if we act now, we can still secure a liveable sustainable future for all.”

UN chief announces plan to speed up progress

In a video message released on Monday, UN Secretary-General António Guterres described the report as a “how-to guide to defuse the climate time-bomb.”

Climate action is needed on all fronts: “everything, everywhere, all at once,” he declared, in a reference to this year’s Best Film Academy Award winner.

The UN chief has proposed to the G20 group of highly developed economies a “Climate Solidarity Pact,” in which all big emitters would make extra efforts to cut emissions, and wealthier countries would mobilize financial and technical resources to support emerging economies in a common effort to ensure that global temperatures do not rise by more than 1.5 degrees Celsius above pre-industrial levels.

Mr. Guterres announced that he is presenting a plan to boost efforts to achieve the Pact through an Acceleration Agenda, which involves leaders of developed countries committing to reaching net zero as close as possible to 2040, and developing countries as close as possible to 2050.

The Agenda calls for an end to coal, net-zero electricity generation by 2035 for all developed countries and 2040 for the rest of the world, and a stop to all licensing or funding of new oil and gas, and any expansion of existing oil and gas reserves.

These measures, continued Mr. Guterres, must accompany safeguards for the most vulnerable communities, scaling up finance and capacities for adaptation and loss and damage, and promoting reforms to ensure Multilateral Development Banks provide more grants and loans, and fully mobilize private finance.

Looking ahead to the upcoming UN climate conference, due to be held in Dubai from 30 November to 12 December, Mr. Guterres said that he expects all G20 leaders to have committed to ambitious new economy-wide nationally determined contributions encompassing all greenhouse gases, and indicating their absolute emissions cuts targets for 2035 and 2040.

Journey to net-zero ‘picks up pace’

Achim Steiner, Administrator, of the UN Development Programme pointed to signs that the journey to net-zero is picking up pace as the world looks to the 2023 UN Climate Change Conference or COP28 in the United Arab Emirates.

“That includes the Inflation Reduction Act in the U.S., described ‘the most significant legislation in history to tackle the climate crisis’ and the European Union’s latest Green Deal Industrial Plan, a strategy to make the bloc the home of clean technology and green jobs,” he said.

“Now is the time for an era of co-investment in bold solutions. As the narrow window of opportunity to stop climate change rapidly closes, the choices that governments, the private sector, and communities now make — or do not make – will go down in history.”

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