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The atmosphere allows the heat from the Sun (short-wave radiation) to pass through to heat the Earth's surface. Yes and no. Burning fossil fuels Over the past 150 years, industrialised countries have been burning large amounts of fossil fuels such as oil and gas.The gases released into the atmosphere during this process act like an invisible ‘blanket’, trapping heat from the sun and warming the Earth. 2. A series of lessons looking at climate change and global warming. Africa will be hardest hit by climate change, but has contributed the least to causing that change. This is a video by BBC Bitesize and I screen recorded it for people to use in aid of revision and studying in KS3. Deforestation - trees absorb carbon dioxide during photosynthesis. Small eruptions have no effect – the eruption needs to be very large and explosive. A look at climate change over a range of timescales. So when they are cut down, that beneficial effect is lost and the carbon stored in the trees is released into the atmosphere, adding to the greenhouse effect. This is known as the greenhouse effect. or variations in the tilt and/or orbit of the Earth around the Sun (Wobble, roll and stretch theory). UK to slow expansion of biofuels. This is known as the greenhouse effect. To learn about climate change, you first must know what climate is. Read about our approach to external linking. Causes of climate change - GCSE Geography - BBC Bitesize. This has created and will continue to create, a number of negative effects. Climate change 'causes conflict' Conflicts seen as ethnically based could actually be caused by the effects of climate change, according to a new study. Agriculture - agricultural practices lead to the release of nitrogen oxides into the atmosphere. Learn about and revise climate change and its effects on the UK and the rest of the world with GCSE Bitesize Geography (Edexcel). Wildlife biologist Dr Jedediah Brodie of the University of Montana, in Missoula, US, wondered how climate change might be having an impact on snowpack levels, and on the animals that depend on it. If they are cut down, there will be higher amounts of carbon dioxide in the atmosphere. The science of climate change: questions and answers. Yes and no. It looks at the following theories; Fossil Fuel Theory, Agricultural Theory, Deforestation Theory. , eg coal, gas and oil - these release carbon dioxide into the atmosphere. BBC Weather explains. This adds enormous amounts of greenhouse gases to those naturally occurring in the atmosphere, increasing the greenhouse effect and global warming. … IN THE NEWS Mayor quashes £25 C-charge hike. The activity at the end is designed to stretch and challenge the students. Some are natural, such as the change of the seasons, annual animal migrations or the circadian rhythms that govern our sleep patterns. Sign in, choose your GCSE subjects and see content that's tailored for you. What causes climate change? An Intergovernmental Panel on Climate Change (IPCC) report in 2018 suggested that keeping to the 1.5C target would require "rapid, far-reaching and unprecedented changes in all aspects of society". Warmer world What is the evidence for climate change? Cycles also play key roles in Earth’s short-term weather and long-term climate. Against a backdrop of climate change, its study lists 10 events that saw thousands of lives lost and major insurance costs. Greenhouse gas emission is a major human causes of climate change, and their sources include transportation, electricity production, burning fossil fuel in industries, commercial and residential application, agriculture, and land use. At the UN climate summit in Copenhagen, 192 governments are aiming for a new global agreement to constrain greenhouse gas emissions and curb human-induced climate change. Causes of Climate Change The climate changes when the total amount of energy in the Earth’s atmosphere changes. - when the waste decomposes it produces methane. Climate change mitigation and adaptation. But trees can keep a much longer record of Earth’s climate. It was received really well by the students. Solar output - there can be fluctuations in the amount of radiation from the Sun. Natural factors increasing global warming, - the Earth has natural warming and cooling periods caused by. CFCs have been responsible for depleting the ozone layer as they destroy ozone molecules. IN THE NEWS Mayor quashes £25 C-charge hike. - AQA, Home Economics: Food and Nutrition (CCEA). It will affect everyone Yes and no change in long term weather patterns over a long of. 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