The United States has been the world's biggest polluter since the industrial revolution, emitting significant greenhouse gases, particularly carbon dioxide (CO2), according to various studies.

Iran's ambassador to the United Nation says unilateral sanctions impede targeted countries’ contributions to global efforts aimed at tackling climate change problems.

French police officers have fired teargas to disperse climate demonstrators gathered in Paris to raise their voices against an annual general meeting of oil company TotalEnergies.

Climate change and habitat degradation will cost earth extinctions of more than a tenth of its plant and animal species by the end of the century, according to a new study.

More than 50 of the poorest developing countries are teetering on the brink of bankruptcy due to their inability to pay debts unless the rich countries come forward with assistance, says a UN official.

United Nations (UN) Secretary-General Antiono Guterres has warned that the world is in "big trouble," as he opened the largest annual gathering of global leaders at the UN headquarters in New York for the first time since the COVID-19 pandemic began.

Ministers from the Least Developed Countries (LDC) are pushing proposals for funds to compensate vulnerable states for climate-inflicted damage.