Nations rich and poor must invest now to protect against the effects of climate change or pay an even heavier price later, a global commission warned Tuesday.
The world should prepare for a "global epidemic" of microcephaly, a condition which restricts head growth in foetuses, as the Zika virus takes root in new countries, researchers said Friday.
The world has lost nearly 100 million hectares of forests in two decades, marking a steady decline though at a slower pace than before, a UN agency reported Tuesday.
Countries are set to miss all of the targets they set themselves a decade ago to preserve nature and save Earth's vital biodiversity, the United Nations said Tuesday.
Invasive species that wreck crops, ravage forests, spread disease, and upend ecosystems are spreading ever faster across the globe, and humanity has not been able to stem the tide, a major scientific assessment said Monday.
UN Secretary-General Antonio Guterres and British Prime Minister Boris Johnson will host a closed-door meeting of world leaders Monday on the sidelines of the General Assembly in New York to boost climate commitments.
The leaders of China and Japan pledged Tuesday to take stronger action to fight climate change, but US President Barack Obama warned prospects for a global warming deal faced tough political realities.
The largest gathering of world leaders on climate change opens at the United Nations on Tuesday amid calls for action to put the planet on course toward reversing global warming.
The world inched a step closer towards tackling plastic pollution, with the United Nations publishing the first draft of a binding treaty to tackle the scourge.
US President Barack Obama said Tuesday that air strikes the United States and its Arab allies unleashed against the Islamic State group in Syria send a clear message that the world is united in confronting the jihadists.
World leaders gathered in New York on Wednesday to try to breathe new life into the Paris global climate accord, amid backsliding from several nations over commitments made in the historic deal.
Humanity is "going in the wrong direction" on climate change due to its addiction to fossil fuels, the UN said Tuesday in an assessment showing that planet-warming emissions are higher than before the pandemic.
The world is speeding towards a climate catastrophe, UN chief Ban Ki-moon warned on Thursday, urging rapid progress in talks to cut emissions and tackle global warming.
The world is safer today than in the aftermath of the September 11 attacks on the United States, with global terror groups weaker than 10 years ago, senior EU and NATO officials said Monday.
In a bid to stop the killing of elephants for their tusks, world governments voted Saturday at a major conservation conference to urge the closure of all domestic ivory markets.
A world facing catastrophic climate change is perilously off course in meeting goals for slashing carbon pollution and boosting finance for the developing world, according to the UN's first official progress report out Friday.
