Phonics: TH Sound Voiced

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Global warming, evidenced by a 0.8-degree Celsius rise in the Earth's surface temperature over the past century, has sparked debate about its causes. While many scientists attribute it primarily to greenhouse gas emissions, some argue that fluctuations in solar activity, particularly sunspot activity, could also play a role. However, research indicates that despite historic increases in sunspot numbers until around 1950, subsequent decreases in solar activity haven't correlated with Earth's warming trends. While some suggest indirect effects like altering cloud cover, evidence remains inconclusive. Ultimately, while solar variation may have a minor influence, the overwhelming consensus is that human activities drive contemporary global warming. Ongoing research aims to better understand the sun's impact on climate change, highlighting the complexity of the issue.