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18 -- Part 9: Global Climate
We can reduce our reliance on cars by making lifestyle choices.
People are helping to absorb carbon from the air.
Waste managers are working closer to their offices.
Mass transit uses energy from waste in incinerators, as well as buses, subway trains, and light rail.
Others bike or capture methane from landfills and walk to work.
3-4% of passenger trips in the United States are served by public trans recycling, composting, and the reuse of materials and products portation.
We shouldn't expect to find a single "magic bullet" of 37 million metric tons of CO emissions.
If U.S. residents were required to increase their use of mass transit to the levels of Canadians, many people and institutions would do the same.
The good news is that the United States can cut its air pollution by using current technology and that most reduc or Europeans can be achieved using current technology.
The contribution of imported oil to climate change is environmental dence.
Making it smaller.
Our emissions would be stable if we achieved just 7 of the 15 aims.
We reduce emissions if we achieve more.
Climate change can be mitigated by advances in agriculture, forestry, and waste management.
Even if people agree on strategies and technologies to reduce able management of cropland and rangeland, they may disagree on what role government should play in storing more carbon.
Is nitrous oxide emissions fromfertilizer?
Should it take the middle increase is an active area of research.
The standard graph shows the doubling of CO emissions that scientists expect to occur from 2005 to 2055.
The "stabilization triangle" was divided into seven equal-sized portions.
1 billion tons of CO emissions will be avoided if each of these stabilization wedges is used.
Each of the strategies could take care of one wedge.
We could stop our growth in emissions if we accomplished just 7 of the strategies.
Adapted from R. Socolow.
The climate problem will be solved with current technologies.
President Obama used his executive authority to address climate change because of Year islative gridlock.
Canada encourages energy efficiency.
There are power plants in Japan.
Climate change is a global problem, so global cooperation is needed to forge effective solutions.
The treaty took effect in the US but not in Australia, and Russia became the 127th nation to approve it.
Canada left early.
The United States was the only developed nation that did not rat forest cover.
The nations whose emissions were reduced but did not require the creased with those whose emissions decreased should be compared.
What difference do you see between China and India, both of which are rapidly industrializing?
As of 2012 the nations that signed the Kyoto Protocol had reduced their relationship with the Soviet Union.
China, India, Russia, and nations of the former Soviet bloc increased their emissions after the United States joined the accord.
In South Africa in 2011, nations agreed to move forward with a road map for a legally binding international deal in 2015.
China, India, and the United States made stronger commitments than ever before at the 2015 climate conference in Paris, France.
Europeans are reluctant to commit to emissions cuts.
The United States and other nations agreed to limit climate change by limiting it to 2 degreesC of warming, but failed to agree on commitments to switch from coal.
The session ended in disarray after China pledged to cut it.
In 2010 nations made progress on gram and the process got back on track on coal-fired power.
Brazil promised to stop the destruction.
The progress at the Paris conference was made possible because all 197 nations were encouraged to bring their own solutions to the table.
The Framework Convention on Climate Change is harmful to some nations.
The United States would reduce carbon emissions by 28% by 2025, and China would stop its emissions growth by 2030.
The historic conference in Paris will be judged on how well nations live up to their pledges.
The Paris Agreement brings the world closer to a goal of limiting warming to 2degC.
The Paris conference produced progress that could potentially lead to further action and deeper emissions cuts.
The private sector became involved as never before.
This is less than the 4.5degC rise predicted in the shown, but still misses the formal target of policy over the past 25 years.
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