Jonathan Shenkin, 45, killed in December while serving as paramedic in Ukrainian military; was on team of ex-soldiers who rescued US woman from West Bank in 2009, brother says
With world leaders having had their say, it is now down to professional diplomats to negotiate compromises and agreements, sometimes closing details in chats by the coffee machine
Scientists blame China for playing large part in sending pollution back toward 2019 record after COVID lockdowns provided one-year reprieve, with numbers expected to rise for years
Science and health writer Nathan Jeffay reports on Israel's reopened borders and a massive autism research grant; political correspondent Tal Schneider offers a view from Glasgow
World Meteorological Organization warns global warming from greenhouse gas emissions threatens 'far-reaching repercussions for current and future generations'
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