C. by highlighting the pattern in global temperature rises that cause co2 emissions to increase.
Would be the right ans.
For this question to make sense you have to Read the excerpt from Greta Thunberg’s speech at the United Nations Climate Action Summit.
" So a 50% risk is simply not acceptable to us—we who have to live with the consequences. To have a 67% chance of staying below a 1.5 degrees global temperature rise—the best odds given by the [Intergovernmental Panel on Climate Change]—the world had 420 gigatons of CO2 left to emit back on January 1, 2018. Today that figure is already down to less than 350 gigatons. How dare you pretend that this can be solved with just “business as usual” and some technical solutions? With today’s emissions levels, that remaining CO2 budget will be entirely gone within less than 8 1/2 years. "
The underlined question in above excerpt is supporting its claim by presenting the statistical analysis of correlation between global temperature rise and CO2 budget (i.e. the amount of CO2 we can afford to emit before crossing the unbearable global temperature level).
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