Pelosi accuses Republicans of treating climate crisis like ‘it’s all a hoax’ at Cop27

Democrat makes surprise appearance at climate summit as midterms forecasts predict Republicans will take the House

Nancy Pelosi has accused Republicans of treating the climate crisis like it's all a hoax" while at the Cop27 climate talks in Egypt, where the US delegation is attempting to remain upbeat about continued progress on dealing with global heating despite uncertainty over the midterm election results.

Pelosi, the speaker of the House of Representatives, made a surprise appearance at the climate summit in Sharm el-Sheikh on Thursday. The trip may be one of Pelosi's last as speaker, with most forecasts predicting Republicans will eke out a narrow majority in the House.