There is clear evidence to show that climate change is happening.
Note these are global averages and that temperatures in certain regions, such as the Arctic, would be even higher than this.We can already see the impacts of climate change and these will become more severe and widespread as global temperatures rise. For example, floods or droughts that damage crops in Eastern Europe or the US can directly affect the cost and availability of food in the UK.Rapid, large changes in global temperatures (4˚C or more above the pre-industrial temperature by the end of this century) and changes in rainfall patterns will increase the vulnerability of many species to climate change and may lead to the extinction of entire species.
Even small increases of tens of centimetres could put thousands of lives and settlements at risk from coastal flooding during stormy weather.Coastal cities with dense populations are particularly vulnerable, especially those that can’t afford flood protection.Increased temperatures, changes to rainfall patterns, and an increased risk of extreme weather events will all negatively affect the production of major food crops such as wheat, rice and maize. In North America and Europe, where long-term rainfall measurements exist, this change has already been observed.Rising levels of carbon dioxide and other greenhouse gases, such as methane, in the atmosphere create a ‘greenhouse effect’, trapping the Sun’s energy and causing the Earth, and in particular the oceans, to warm. The latest Assessment Report from the We can understand a lot about the possible future effects of a warming climate by looking at changes that have already happened on Earth. By 2014 the United Kingdom's seven warmest and 4 out of its 5 wettest years had occurred between the years of 2000–2014. Please update this article to reflect recent events or newly available information.
This cycle is mainly driven by gradual changes in the Earth’s orbit over many thousands of years but is amplified by changes in greenhouse gases and other influences.
Scientists have known about this greenhouse effect since the 19th Century.The higher the amounts of greenhouse gases in the atmosphere, the warmer the Earth becomes. This would see around 30% of electricity, 12% of heat and 10% of transport energy come from renewable sources by 2020.A number of lobby groups in the UK focus on climate change including Please update this article to reflect recent events or newly available information. According to the Figure 7 of the document shows the UK target to increase the share of renewable energy from 2008 to 2020 and the increase in the energy efficiency.The 2009 Renewable Energy Directive sets a target for the UK to achieve 15% of its energy consumption from renewable sources by 2020. (2008) National Renewable Energy Action Plan for the United Kingdom (Article 4 of the Renewable Energy Directive 2009/28/EC) This would significantly reduce risks and the impacts of climate change. Damaged and degraded peatlands place a substantial financial burden on society because of increased greenhouse gas emissions, poorer water quality and loss of other 40% of UK greenhouse gas emissions are caused by the built environment. This is causing the oceans to become acidic more rapidly than perhaps any point in the last 300 million years.As the Arctic warms, sea ice is decreasing rapidly. Temperatures over land would be expected to increase by more than the 2°C global average.
. Even with smaller amounts of warming many species will be placed at greater risk.
The rate of sea level rise has increased substantially over the 20th Century and further rise this century is inevitable – how much depends on the amount of human greenhouse gas emissions.More damaging extreme weather events are being seen around the world. If you use assistive technology (such as a screen reader) and need a . Human-caused climate change also influenced other events in 2016, including extreme heat in the Arctic, the duration of coral bleaching in the Great Barrier Reef, the increased the risk of wildfires in the western US, extreme rainfall in China and drought conditions in South Africa that led to food shortages.Most discussions of climate change look at what is most likely to happen, such as the likely temperature changes if we do, or don’t, take action to reduce greenhouse gas emissions.But scientists have identified the possibility that with sustained high temperatures major elements of the Earth’s climate could be drastically altered.
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