Stephen Rodriquez, the representative of the United Nations Development Program in Afghanistan, said that the country is on the verge of a climate disaster, he added that millions of Afghan citizens live under the constant threat of drought, floods, extreme temperatures and land degradation.

Across vast swathes of the planet, from California to China, authorities have warned of the health dangers of the extreme heat, urging people to drink water and shelter from the burning sun.

Jafar Hussain Karimi / Environmental challenges affecting the world such as climate change - water scarcity, loss of biodiversity and pollution are compounded by the gap between development demands, weak incentives and capacity for economic planning and development at the national level in developed and developing countries.