As the planet swelters, World Environment Day 2026 focuses on urgent climate action

With global temperatures at near-record levels and El Niño set to return, governments, businesses, communities, and individuals across the world today marked World Environment Day, sounding the alarm on the need to urgently address climate change. This year, Azerbaijan hosted the official commemoration of World Environment Day.

Extreme heat is one of the deadliest and fastest-growing climate threats to lives, livelihoods, and economies. With overshoot of the Paris Agreement goal of 1.5°C now almost inevitable and impacts escalating, the world must act #NowforClimate, cutting emissions and adapting to rising risks.

“This World Environment Day, warning signals are everywhere. The past eleven years have been the eleven hottest on record… The world is heading for a temporary overshoot above 1.5 degrees,” UN Secretary-General António Guterres said in his message for World Environment Day 2026. “Our task is to make that overshoot as small, as short, and as safe as possible – and rapidly bring temperatures back down.” 

“That means slashing emissions. Accelerating a just transition away from fossil fuels and towards renewables – the only sustainable path to lower costs and to real energy security. Cutting methane – one of the fastest, cheapest ways to limit near-term warming. Protecting forests, land, and seas. Helping communities adapt to the devastating impacts already here. And it means fulfilling climate finance promises to developing countries – to save lives, protect livelihoods, and strengthen economies,” he added. “This is the moment to act – for our environment and for our future.”

At the official ceremony for World Environment Day in Baku, Azerbaijan, officials highlighted the need for urgent collective and individual action to stave off the worst impacts of climate change and adapt to a changing environment.

“As our planet continues to face down the devastating impacts of climate change, Azerbaijan is honoured to host World Environment Day 2026 and join calls to address this global crisis. The science is clear: every fraction of a degree of warming costs lives, livelihoods, and ecosystems — and no country is spared,” said Rashad Ismayilov, Azerbaijan’s Minister of Ecology and Natural Resources.