Wednesday, March 29, 2017

Due to the cost of climate change, the world GDP will be $490 trillion 2100-without the cost of climate change, it will be $510 trillion

See The Trump-Climate Freakout by Oren Cass. He is a senior fellow at the Manhattan Institute and author of the forthcoming report “The Costs of Climate Change Are Real — ​and Manageable.”
"The Dynamic Integrated Climate-Economy (DICE) model, developed by William Nordhaus at Yale University, which has the highest climate costs of the Obama administration’s three models, estimates that global GDP in 2100 without climate change would be $510 trillion. That’s 575 percent higher than in 2015. The cost of climate change, the model estimates, will amount to almost 4 percent of GDP in that year. But the remaining GDP of $490 trillion is still 550 percent larger than today.
Without climate change, DICE assumes average annual growth of 2.27 percent. With climate change, that rate falls to 2.22 percent; at no point does climate change shave even one-tenth of one point off growth. Indeed, by 2103, the climate-change-afflicted world surpasses the prosperity of the not-warming 2100.
Zach (the DNC staffer who reportedly stormed out of a post-election meeting upset that “I am going to die from climate change) might take issue with DICE’s underlying scientific and economic assumptions, yet the model produces cost estimates much higher than those of the PAGE and FUND models, which are also considered by the Social Cost of Carbon analysis. And while not every potential effect of climate change lends itself to quantification in economic terms, remember: This is the approach chosen by the Obama administration — not a group often known for trying to minimize the climate threat."

"Further, Trump is not significantly altering the likelihood of incurring these costs, because the climate agenda he intends to unravel is a failure already. Domestically, even the EPA acknowledged that its Clean Power Plan will have no meaningful influence on future temperatures. The State Department said the same about blocking the Keystone XL pipeline. The purported value of these policies was to display international “leadership.” But the global picture is no better. Even with U.S. “leadership,” the commitments made by other countries under the Paris agreement look almost identical to the paths those countries were on already. Thus the agreement’s impact is at best a few tenths of a degree Celsius. MIT’s Joint Program on the Science and Policy of Global Change, for instance, projected 3.9°C of warming by 2100 without the Paris agreement and 3.7°C with it.
 Proponents of the agreement argue it will nonetheless spur clean-energy investment. “It is going to move the marketplace,” said Secretary of State John Kerry. It is “a break-away agreement which actually changes the paradigm.” It is “going to spur massive investment.” Instead, investment has plummeted. Over the first three quarters of 2016, global clean-energy investment is down 29 percent relative to 2015. Q3 investment saw a 43 percent drop from Q3 2015 — falling to its lowest level since the George W. Bush administration."

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