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The \'climate crisis\' describes human-caused global warming and climate change and its consequences It conveys the sense of urgency surrounding humanity\'s failure to take sufficient action to slow down, stop and reverse global warming The leading direct cause of the climate crisis is carbon dioxide (CO2) released as a by-product of burning fossil fuels,i which supply ∼87% of the world\'s energy The second most important cause of the climate crisis is deforestation to create more land for crops and livestock The solutions have been stated as simply \'leave the fossil carbon in the ground\' and \'end deforestation\' Rather than address fossil fuel supplies, climate policies focus almost exclusively on the demand side, blaming fossil fuel users for greenhouse gas emissions The fundamental reason that we are not solving the climate crisis is not a lack of green energy solutions It is that governments continue with energy strategies that prioritize fossil fuels These entrenched energy policies subsidize the discovery, extraction, transport and sale of fossil fuels, with the aim of ensuring a cheap, plentiful, steady supply of fossil energy into the future This paper compares the climate crisis to two other environmental crises: Ozone depletion and the COVID-19 pandemic Halting and reversing damage to the ozone layer is one of humanity\'s greatest environmental success stories The world\'s response to COVID-19 demonstrates that it is possible for governments to take decisive action to avert an imminent crisis The approach to solving both of these crises was the same: (1) identify the precise cause of the problem through expert scientific advice;(2) with support by the public, pass legislation focused on the cause of the problem;and (3) employ a robust feedback mechanism to assess progress and adjust the approach This is not yet being done to solve the climate crisis, but working within the 2015 Paris Climate Agreement framework, it could be Every nation can contribute to solving the climate crisis by: (1) changing their energy strategy to green energy sources instead of fossil fuels;and (2) critically reviewing every law, policy and trade agreement (including transport, food production, food sources and land use) that affects the climate crisis © 2020 The Author(s)
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