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Average annual temperature anomaly in Scotland between 1884 and 2020. Climate change in Scotland is causing a range of impacts on Scotland, and its mitigation and adaptation is a matter for the devolved Scottish Parliament. Climate change has already changed timings of spring events such as leaf unfolding, bird migration and egg-laying.
The key conclusions of Working Group I [11] were: . An increasing body of observations gives a collective picture of a warming world and other changes in the climate system (The global average surface temperature has increased over the 20th century by about 0.6 °C; Temperatures have risen during the past four decades in the lowest 8 kilometres of the atmosphere; Snow cover and ice extent have ...
The summary also detailed the range of forecasts for warming, and climate impacts with different emission scenarios. Compared to the previous report, the lower bounds for the sensitivity of the climate system to emissions were slightly lowered, though the projections for global mean temperature rise (compared to pre-industrial levels) by 2100 ...
Climate projections are based on emission scenarios. The emission scenarios used by the IPCC and by mainstream climate scientists are largely derived from the predicted demand for fossil fuels, and in our view take insufficient consideration of the constrained emissions that are likely due to the depletion of these fuels. [40]
In the lowlands, an oceanic climate (Köppen: Cfb) prevails, while in the mountains and in parts of the Shetland, the summers get cool enough for the climate to be classified as subpolar oceanic (Cfc). As a whole, Scotland has average minimum temperatures just above zero in winter months and rather cool average highs of 17 °C (63 °F) in summer.
Climate Change 2007, the Fourth Assessment Report (AR4) of the United Nations Intergovernmental Panel on Climate Change (IPCC), was published in 2007 and is the fourth in a series of reports intended to assess scientific, technical and socio-economic information concerning climate change, its potential effects, and options for adaptation and mitigation. [2]
The Climate Change (Scotland) Act 2009 is an Act of the Scottish Parliament. [1] The Act includes an emissions target , set for the year 2050, for a reduction of at least 80% from the baseline year, 1990. [ 1 ]
In climate science, a tipping point is a critical threshold that, when crossed, leads to large, accelerating and often irreversible changes in the climate system. [3] If tipping points are crossed, they are likely to have severe impacts on human society and may accelerate global warming.