Global Warming is Ongoing, Inevitable, and Caused by Man and Sure to Destroy the Earth



Global Warming is Ongoing, Inevitable, and Caused by Man and Sure to Destroy the Earth

Introduction

Global warming and climate variability occur as natural phenomena. The issue of governance relates to human-induced global warming as it is defined by the United Nations Framework Convention on Climate Change (UNFCCC) as climate change either directly or indirectly attributable to humans changing the global atmosphere's composition separate from expected climate changeability in a comparable period. This paper discusses that global warming is ongoing, inevitable, and caused by man and sure to destroy the earth.

Discussion

Oreskes (2004) mentions impacts from the phenomenon known as global warming include environmental, social, and economic effects. Environmental impacts include sea-level rise, melting of the polar ice caps, and an average increase in temperature. These impacts are documented in the reports of the Intergovernmental Panel for Climate Change (IPCC), which commissions reports by scientists worldwide on the issue of climate change. The IPCC Report of 2007 is the first one that reflects scientific consensus that global warming is underway, and that it is primarily human induced (Oreskes, 2004). For example, human activities, such as fossil fuel burning, land-use changes, agricultural activity, and the production and use of halocarbons are among the factors causing climate change. The economic report by Nicholas Stern in 2007 highlights that climate change has potentially disastrous consequences for humanity.

Perhaps best known, is that temperature variability, specifically temperature increase, will be one of the effects of climate change. While the range of projections relating to temperature rise varies, the IPCC scenarios, using a range of climate models, predict overall a rise in globally-averaged surface temperature of 2.5-10 degrees F (1.4 to 5.8 degrees C) 1990-2100. While at local and regional levels this figure will vary, at a global level it is roughly 2-10 times larger than the observed warming of the 20th century, and is unprecedented during at least the last 10,000 years, based on paleoclimatic data.

Changes in temperature and precipitation (rainfall) patterns have increased all around the world. In the United States, average temperatures have increased by roughly 1 degree F (0.6 degrees C) during the past century, and precipitation has increased by five to 10 percent. Alaska has sustained an average temperature increase of 4-7 degrees F (2-4 degrees C) in just the past 50 years. Temperature increase has also had a number of related effects, such as the increased melting of the summer Arctic sea ice. Since 1979, more than 20 percent of the polar ice cap has melted in response to increased surface and ocean temperatures. The oceans are warming. Global ocean temperature has risen by 0.18 degrees F (0.10 degrees C) from the surface to a depth of (2,297 ft.) 700 m. 1961-2003.

Key oceanic water masses are changing. Southern Ocean mode waters and Upper Circumpolar Deep Waters have warmed from the 1960s to about 2000. A similar, but weaker pattern of warming in the Gulf Stream and Kuroshio mode waters ...