Greta Jimenez
The Paris Agreement is an international accord adopted by nearly every nation in 2015 to combat climate change and its negative impacts. The agreement aims to reduce global greenhouse gas emissions to limit the global temperature increase in this century to 2 degrees Celsius above pre-industrial levels, while pursuing efforts to restrict it to 1.5 degrees. It includes commitments from major emitting countries to cut their climate pollution and strengthen these commitments over time. The Paris Agreement is a landmark accord that marked a turning point in global climate action, with 195 nations coming to a consensus to combat climate change.
| Characteristics | Values |
|---|---|
| Type of agreement | International accord |
| Date | December 2015 |
| Number of countries | 195 |
| Aim | Reduce global greenhouse gas emissions |
| Objective | Limit global temperature increase to 2 degrees Celsius above pre-industrial levels |
| Target | Pursue means to limit temperature increase to 1.5 degrees Celsius |
| Commitments | Cut climate pollution and strengthen commitments over time |
| Framework | Transparent monitoring, reporting, and ratcheting of countries' climate goals |
| Assistance | Developed nations to assist developing nations in climate mitigation and adaptation |
| Effectiveness | Under debate, with experts saying countries aren't doing enough |
| Challenges | Inadequate initial pledges, implementation gap, and lack of country-specific emissions limits |
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What You'll Learn
- The Paris Agreement: countries' commitments to combat climate change
- Kyoto Protocol: reducing greenhouse gas emissions
- Pollution Prevention Act: reducing pollution via cost-effective changes
- International conventions: preventing pollution from ships and oil
- Industry initiatives: firms aiming to reduce emissions or become carbon neutral
The Paris Agreement: countries' commitments to combat climate change
The Paris Agreement is a landmark international accord adopted by nearly every nation in 2015 to address climate change and its negative impacts. The agreement aims to substantially reduce global greenhouse gas emissions to limit the global temperature increase in this century to 2°C above pre-industrial levels, while pursuing efforts to limit the increase to 1.5°C. This is because crossing the 1.5°C threshold risks far more severe climate change impacts, including more frequent and intense droughts, heatwaves, and rainfall.
The agreement includes commitments from all major emitting countries to cut their climate pollution and strengthen those commitments over time. All countries are required to make and progressively strengthen their commitments, with major emitting countries cutting their climate pollution. The agreement provides a pathway for developed nations to assist developing nations in their climate mitigation and adaptation efforts. It also creates a framework for the transparent monitoring, reporting, and ratcheting up of countries' individual and collective climate goals.
To achieve these goals, the Paris Agreement invites countries to formulate and submit long-term low greenhouse gas emission development strategies (LT-LEDS). These strategies are not mandatory but provide a vision and direction for future development. Countries communicate their actions and progress through their nationally determined contributions (NDCs), which are mandatory and submitted every five years.
Since the Paris Agreement was negotiated in 2015, many of the 195 countries that are party to the agreement have strengthened their climate commitments. These include pledges to curb emissions and support countries in adapting to the effects of extreme weather. The agreement also places a great emphasis on climate-related capacity-building for developing countries and requests developed countries to enhance their support for these actions.
The Paris Agreement is a legally binding international treaty that entered into force on November 4, 2016. It marked a historic turning point for global climate action, as world leaders came to a consensus on an accord to combat climate change and adapt to its impacts.
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Kyoto Protocol: reducing greenhouse gas emissions
The Kyoto Protocol was an international treaty that extended the 1992 United Nations Framework Convention on Climate Change (UNFCCC). It was adopted in Kyoto, Japan, on December 11, 1997, and became international law on February 16, 2005. The Kyoto Protocol was based on the principle of common but differentiated responsibilities, acknowledging that individual countries have varying capabilities to combat climate change due to their economic development.
The main goal of the Kyoto Protocol was to control emissions of the main anthropogenic (human-emitted) greenhouse gases (GHGs) while recognizing national differences in GHG emissions, wealth, and capacity to make reductions. The treaty mandated that industrialized nations cut their greenhouse gas emissions to mitigate the growing threat of global warming. It applied to seven greenhouse gases: carbon dioxide (CO2), methane (CH4), nitrous oxide (N2O), and hydrofluorocarbons (HFCs), among others listed in Annex A.
The Protocol established legally binding commitments for Annex I Parties, which included developed countries, to reduce their greenhouse gas emissions. These countries were assigned maximum carbon emission levels for specific periods and participated in carbon credit trading. If a country exceeded its assigned limit, it would face a lower emissions limit in the subsequent period. The flexibility mechanisms allowed countries to fund emission reductions in other nations if they could not meet their targets.
The first commitment period of the Kyoto Protocol ran from 2008 to 2012, and all 36 fully participating countries complied. The greatest emission reductions were observed in the former Eastern Bloc countries due to the dissolution of the Soviet Union in the early 1990s. In 2012, after the first commitment period ended, an amendment called the Doha Amendment was adopted, setting new emission reduction targets for the second commitment period from 2012 to 2020.
While the Kyoto Protocol was a significant step in addressing climate change, global emissions continued to rise. The Paris Agreement, negotiated in 2015, built upon these efforts, with nearly 200 countries committing to combat climate change and adapt to its impacts. The Paris Agreement aims to substantially reduce global greenhouse gas emissions and limit the global temperature increase, addressing the negative consequences of climate change.
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Pollution Prevention Act: reducing pollution via cost-effective changes
The Pollution Prevention Act of 1990 focuses on reducing pollution through cost-effective changes in production, operation, and raw materials use. It defines "source reduction" as practices that prevent hazardous substances from being released into the environment before recycling, treatment, or disposal. This includes equipment modifications, procedure changes, product redesign, and improved maintenance and training. The Act also promotes energy and water efficiency and conservation.
The Environmental Protection Agency (EPA) plays a key role in implementing the Act. The EPA evaluates chemicals and their risks, providing ways to prevent pollution. The Act also mandates the EPA to establish a source reduction program, offering financial assistance to states and disseminating information.
The Pollution Prevention Act is part of a broader effort to address pollution and its impacts. Internationally, various environmental agreements exist, such as the Kyoto Protocol and the Paris Agreement, which aim to reduce greenhouse gas emissions and combat climate change. These agreements recognise the need for global cooperation in mitigating and adapting to climate change.
The Paris Agreement, adopted in 2015, stands as a landmark accord with commitments from 195 nations to curb climate pollution and strengthen their efforts over time. It provides a framework for transparency and accountability in addressing global warming. Despite this progress, some critics argue that voluntary accords like the Paris Agreement may not be sufficient, and governments should instead negotiate a universal carbon price.
In conclusion, the Pollution Prevention Act plays a crucial role in reducing pollution by targeting cost-effective changes in production and operation. It complements international efforts to address climate change and promotes sustainable practices. By focusing on source reduction and efficient resource use, the Act contributes to a more sustainable economy and a safer, healthier environment for all.
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International conventions: preventing pollution from ships and oil
The International Convention for the Prevention of Pollution from Ships, also known as MARPOL, is a significant international marine environmental convention aimed at preventing pollution of the maritime environment. It was developed by the International Maritime Organization (IMO) and adopted on November 2, 1973, with the 1978 Protocol being merged later due to a rise in maritime accidents involving tankers in 1976 and 1977. The combined convention entered into force on October 2, 1983, with the most recent Annex, Annex VI, taking effect in May 2005.
MARPOL sets standards for stowing, handling, and shipping, and lays down rules for the disposal of ship-generated hazardous waste, such as cleaning agents and cargo hold washing water. It includes six technical Annexes with various chapters and regulations, each dealing with a particular group of ship emissions. All vessels flagged under nations that are MARPOL signatories must adhere to its requirements, irrespective of where they sail.
The Annexes cover different aspects of pollution prevention and control. For instance, Annex I, which came into force on October 2, 1983, focuses on the discharge of oil into the ocean environment, incorporating the oil discharge criteria from the 1969 amendments to the 1954 International Convention for the Prevention of Pollution of the Sea by Oil (OILPOL). It specifies tanker design features to minimize oil discharge during operations and accidents, and provides regulations for treating ballast and tank cleaning waste. The oil record book, an integral part of Annex I, helps crew members log and track oily wastewater discharges.
Annex II, effective from October 2, 1983, details the discharge criteria for eliminating pollution by noxious liquid substances carried in bulk. It introduces operational standards and measures, with strict restrictions for "special areas." Annex III defines "harmful substances" as those identified as marine pollutants in the International Maritime Dangerous Goods Code (IMDG Code) or meeting the criteria in the Appendix of Annex III. It includes requirements to control pollution of the sea by sewage, prohibiting discharge except under specific conditions.
MARPOL also addresses air pollution from ships, with Annex VI setting limits on sulphur oxide and nitrogen oxide emissions from ship exhausts, and prohibiting deliberate emissions of ozone-depleting substances. A chapter adopted in 2011 outlines mandatory technical and operational energy efficiency measures to reduce greenhouse gas emissions from ships.
Overall, MARPOL plays a crucial role in minimizing pollution from ships, both accidental and from routine operations, helping to protect the marine environment from harmful substances and emissions.
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Industry initiatives: firms aiming to reduce emissions or become carbon neutral
Industry is a significant source of carbon pollution, and many firms have pledged to reduce their emissions or become carbon neutral or carbon negative. The UK-based company Science Based Targets initiative has certified the plans of over three thousand firms aiming for net-zero and aims to more than triple this total by 2025.
Alphabet, the parent company of Google, claims to be the first large corporation to have become carbon neutral in 2007. Since 2020, the firm has purchased carbon offsets to offset all of Google's emissions, resulting in a net carbon impact of zero for the company's entire existence.
Siemens has committed to cutting its carbon emissions in half and becoming carbon neutral by 2030 by using renewable energy at its factories. HP Inc. has revamped its products to make them completely recyclable and runs e-waste recycling plants worldwide.
Several airlines have also taken steps to reduce their emissions. JetBlue became the first major airline in the United States to achieve carbon neutrality on all domestic flights in 2020. The airline invests in sustainable aviation fuel and offsets all domestic flights' carbon dioxide emissions from jet fuel. Similarly, Alaska Airlines was the first airline to remove plastic straws from its flights and airport lounges.
Other notable initiatives include John Deere's goal to recycle 85% of materials and reduce carbon emissions on 90% of new products, and Cargill's aim to lower greenhouse gas emissions by 10% by 2025.
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Frequently asked questions
The Paris Agreement is a landmark international accord that was adopted by nearly every nation in 2015 to address climate change and its negative impacts.
The agreement aims to substantially reduce global greenhouse gas emissions in an effort to limit the global temperature increase in this century to 2 degrees Celsius above pre-industrial levels, while pursuing the means to limit the increase to 1.5 degrees.
The Kyoto Protocol is an international agreement that aims to reduce greenhouse gas emissions.
