Dark clouds overshadow opening of COP27 climate summit in Egypt
A moment of cheer ahead of the UN climate summit in Egypt was provided by Luiz Inácio Lula da Silva, who put protecting the Amazon rainforest at the heart of his winning campaign for the Brazilian presidency. But as delegates from nearly 200 countries prepare for the start of the COP27 conference on Sunday, the mood is one of gloom, reflecting the clouds that have gathered since the last summit a year ago in Glasgow.