The United Nations' highest court has said countries must address the "urgent and existential threat" of climate change by cooperating to curb emissions, as it delivered an opinion set to determine ...

In a sweeping decision the UN's top court on Wednesday ruled climate change an "existential problem of planetary proportions" ...

The United Nations’ top court has issued a landmark advisory opinion on climate change, its 15-black-robed judges weighing in for the first time on what the ...