France, Oct. 30 -- Delegates cheered as crucial texts were approved in overtime but the celebrations were tempered by acrimonious debates and regret over limited progress on some of the most contentious issues.

The COP17 summit in Armenia sought to revive a landmark commitment to halt and reverse the destruction of nature by 2030 after global efforts to meet that goal fell short.

Over two bruising weeks in Yerevan, nations were urged to correct course to keep the pact alive and protect the plants, animals and ecosystems that sustain life on Earth.

The United Nations had warned that progress was insufficient to meet the goals of the 2030 target including protecting 30 percent of Earth's land and oceans, tackling pollution and invasive s...