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Global Climate Change Policy

Climate protester
Young activists gather outside the United Nations during a protest against climate change

“It is vital to discuss this issue here in the UN Security Council, because when we talk about the climate crisis, we are talking about our security–every nation, every citizen–economic security, food security, energy security, and yes, even physical security.”

—John Kerry, U.S. Special Presidential Envoy for Climate, February 23, 2021

2.1 The Issue

Developed or industrialized countries have been releasing greenhouse gases such as carbon dioxide (CO2) into the atmosphere for more than a century by burning fossil fuels for power, heat, transport, and industrial activity. In recent decades, rapid economic growth in major developing countries such as Brazil, China, and India has led to significant increases in their greenhouse gas emissions as well. Greenhouse gases trap the sun’s heat close to the earth, causing the planet to warm. Some of these gases occur naturally, which is why the earth is warm enough to sustain life as we know it. But increasing the concentration of these gases in the atmosphere via man-made emissions is causing more heat to be trapped, raising average global temperatures—a phenomenon known as global warming—which leads to changes in the planet’s climate.

The Intergovernmental Panel on Climate Change (IPCC), and other organizations and governments have concluded that the warming observed in recent decades is a consequence of human activity. Thousands of scientists from around the world assist the IPCC, which was created by the United Nations and the World Meteorological Organization in 1988, to assess thousands of scientific papers published each year and provide comprehensive scientific information about climate change, including its current effects and future risks.

Climate change poses risks not only to the environment but also to the security and livelihood of people around the world. These effects include rising sea levels, greater heat extremes, more intense precipitation events, deeper droughts, stronger storms, and bigger wildfires. If current trends continue, growing plentiful and affordable food for a rising global population could become more difficult; populations in low-lying areas—including many of the world’s major cities—could be forced to move; and more extreme weather could threaten the health of billions of people. Climate change is also a threat multiplier with the potential to undermine human security, which in turn can destabilize governments and render humanitarian crises more acute around the world.

Rising greenhouse gas emissions could be addressed through policy at both domestic and international levels, but if countries with significant emissions fail to act, the overall level of warming will increase. Multiple international agreements on climate change have been developed over the years, including the 2015 Paris Agreement, which aims to reduce emissions globally to well below 2°C and, given the grave risks, to strive for 1.5°C. However, reducing greenhouse gas emissions worldwide will not be easy. Modern economies depend on fossil fuels. Output from alternative energy sources such as solar and wind energy is growing but not enough to fully replace fossil fuels yet, and currently available measures to increase energy efficiency are costly and time-consuming. Climate change, moreover, is a difficult issue for policymakers. The questions of how to cut emissions and prepare for climate consequences, and who should bear the costs of doing so, have few simple answers.

Decision Point

UN Security Council Meeting

Text

A major climate summit is approaching. At the UN climate summit in Paris in 2015, world leaders pledged to reduce or limit their countries’ emissions and to monitor progress toward these goals. However, a new scientific report warns that governments will need to make urgent and unprecedented changes beyond their commitments under the Paris Agreement to avoid serious and potentially irreversible environmental consequences. Despite this alarming information, countries have taken relatively few additional steps toward meeting ambitious targets and in some cases have even retreated from their climate commitments to the Paris Agreement.

As a part of the upcoming summit, the UN Security Council is convening to discuss, and take possible action on, the issue of climate change. Historically, the UN Security Council has not taken serious action on climate change, leaving climate action under the auspices of states and other UN bodies. In recent years, however, the council has begun to discuss the effects of climate change on global security. In light of the growing threat that climate change poses, members will need to decide whether addressing climate change is within the Security Council’s purview and what actions are available that could address climate change generally or limit its effects on global peace and security.

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