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Renewable Energy
Renewable energy (or green energy) is energy from renewable natural resources that are replenished on a human timescale. The most widely used renewable energy types are solar energy, wind power, and hydropower. Bioenergy and geothermal power are also significant in some countries. Some also consider nuclear power a renewable power source, although this is controversial. Renewable energy installations can be large or small and are suited for both urban and rural areas. Renewable energy is often deployed together with further electrification. This has several benefits: electricity can move heat and vehicles efficiently and is clean at the point of consumption.[1][2] Variable renewable energy sources are those that have a fluctuating nature, such as wind power and solar power. In contrast, controllable renewable energy sources include dammed hydroelectricity, bioenergy, or geothermal power.
Renewable energy systems have rapidly become more efficient and cheaper over the past 30 years.[3] A large majority of worldwide newly installed electricity capacity is now renewable.[4] Renewable energy sources, such as solar and wind power, have seen significant cost reductions over the past decade, making them more competitive with traditional fossil fuels.[5] In most countries, photovoltaic solar or onshore wind are the cheapest new-build electricity.[6] From 2011 to 2021, renewable energy grew from 20% to 28% of global electricity supply. Power from the sun and wind accounted for most of this increase, growing from a combined 2% to 10%. Use of fossil energy shrank from 68% to 62%.[7] In 2022, renewables accounted for 30% of global electricity generation and are projected to reach over 42% by 2028.[8][9] Many countries already have renewables contributing more than 20% of their total energy supply, with some generating over half or even all their electricity from renewable sources.[10][11]
The main motivation to replace fossil fuels with renewable energy sources is to slow and eventually stop climate change, which is widely agreed to be caused mostly by greenhouse gas emissions. In general, renewable energy sources cause much lower emissions than fossil fuels.[12] The International Energy Agency estimates that to achieve net zero emissions by 2050, 90% of global electricity generation will need to be produced from renewable sources.[13] Renewables also cause much less air pollution than fossil fuels, improving public health, and are less noisy.[12]
The deployment of renewable energy still faces obstacles, especially fossil fuel subsidies,[14] lobbying by incumbent power providers,[15] and local opposition to the use of land for renewable installations.[16][17] Like all mining, the extraction of minerals required for many renewable energy technologies also results in environmental damage.[18] In addition, although most renewable energy sources are sustainable, some are not.
Shropshire (/ˈʃrɒpʃər, -ʃɪər/; historically Salop[3] and abbreviated Shrops) is a landlocked ceremonial county in the West Midlands of England. It borders Cheshire to the north, Staffordshire to the east, Worcestershire to the south-east, Herefordshire to the south, and the Welsh counties of Wrexham and Powys to the west. The largest settlement is Telford, and Shrewsbury is the county town.
The county has an area of 3,487 square kilometres (1,346 sq mi) and a population of 498,073. Telford (155,570), in the east of the county, and Shrewsbury (76,782), in the centre, are the only large towns. Shropshire is otherwise rural and characterised by market towns such as Oswestry (15,613), Bridgnorth (12,212), and Newport (11,387). The county contains two districts, Shropshire and Telford and Wrekin, which are both unitary areas.
Shropshire is generally flat in the north and hilly in the south, where the Shropshire Hills AONB covers about a quarter of the county, including The Wrekin, Clee Hills, Stiperstones, Long Mynd, and Wenlock Edge.[4][5] Part of the Fenn's, Whixall and Bettisfield Mosses National Nature Reserve, which extends into Wales, occupies the low-lying north west of the county.[6] The River Severn, Great Britain's longest river, runs through the county in a wide, flat valley before exiting into Worcestershire south of Bridgnorth. The village of Edgmond, near Newport, is the location of the lowest recorded temperature (in terms of weather) in England and Wales.[7]
There is evidence of Neolithic and Bronze Age human occupation in Shropshire, including the Shropshire bulla pendant. The hillfort at Old Oswestry dates from the Iron Age, and the remains of the city of Viroconium Cornoviorum date from the Roman period.[8][9] During the Anglo-Saxon era the area was part of Mercia. During the High Middle Ages the county was part of the Welsh Marches, the border region between Wales and England; from 1472 to 1689 Ludlow was the seat of the Council of Wales and the Marches, which administered justice in Wales and Herefordshire, Shropshire, Worcestershire and Gloucestershire.[10] During the English Civil War Shropshire was Royalist, and Charles II fled through the county — famously hiding in an oak tree — after his final defeat at the Battle of Worcester.[11] The area around Coalbrookdale is regarded as one of the birthplaces of the Industrial Revolution and has been designated a UNESCO World Heritage Site.[12][13]
