Scientists that study the ice cores say there is clear evidence that there has been a rapid increase in temperature in the past decades. Find free videos, step-by-step guides, activities and quizzes by level and subject. A natural function of the Earth's atmosphere is to keep in some of the heat that is lost from the … If too much thermal energy escaped, the planet … Some thermal energy from the Earth’s surface escapes into space. The Earth's temperature has fluctuated in the last few hundred years. But how is the Earth’s climate changing and how do we know this? Climate Change: The Facts: when Sir David Attenborough's new … Climate change is a global issue, but how is it affecting Europe? This increase is known as. Climate change is when the average long-term weather patterns of a region are altered for an extended period of time, typically decades or longer. Greta Thunberg: Who is she and what does she want? This has created and will continue to create, a number of negative effects. Weather is a specific event—like a rain storm or hot day—that happens over a short period of time. Examining the causes of climate change and the greenhouse effect. Climate change mitigation and adaptation. For National 5 Geography investigate the causes of climate change, its consequences and the possible strategies to reduce it. Causes of climate change - human and natural factors. In the northern hemisphere, the period between 1983 and 2012 was the warmest 30-year period of the last 1,400 years. Climate change made heat five times more likely The ability of trees to soak up carbon dioxide has long made them a valuable weapon in the fight against rising temperatures. Layers of accumulation and melting in the ice can reveal the temperature of each year for the past 400,000 years. The extent was the lowest in satellite records in 2012. - AQA, Home Economics: Food and Nutrition (CCEA). If you mean you want a brief summary of evidence for climate change, then I don’t know what you mean by ‘evidence’, nor by ‘climate change’. Scientists believe there is a close link between the amount of these greenhouse gases in the atmosphere and global temperatures. This is a video by BBC Bitesize and I screen recorded it for people to use in aid of revision and studying in KS3. The global climate has been changing since time began and will continue to change into the future. Sign in, choose your GCSE subjects and see content that's tailored for you. After the turbulent year of 2020, BBC Future takes stock on the state of the climate at the beginning of 2021. https://www.facebook.com/bbcbitesize/videos/622529931946741 When scientists take a sample of ice it reveals the atmospheric gas concentrations at the time the snow fell. Artic sea-ice is disappearing at a rate of 10% every decade. The ice can reveal the temperature of each year for the past 400,000 years. When snow falls it traps air into the ice. Read about our approach to external linking. When scientists take a core of ice it reveals the carbon dioxide and methane concentrations at the time the snow fell. If too much thermal energy escaped, the planet … BBC Bitesize - Climate change and global warming - Climate … Amid polarised debate, Emily Kasriel asks how dairy farmers see the role of their industry in climate change – and finds a mixture of doubt, denial and commitment to change. Use BBC Bitesize to help with your homework, revision and learning. Over the past 50 to 100 years, photographic evidence has shown that the world's glaciers have been melting, which has caused them to retreat. The Earth’s climate crisis is one of the biggest challenges facing our world today. Over the past 50 to 100 years, photographic evidence has shown that the world's glaciers have been melting, which has caused them to retreat. 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