Leonardo DiCaprio, Hollywood actor and an environmental activist is feeling optimistic now that the debate over climate change has started to wane and world leaders are finally starting to take it more seriously, reports ABC News.

Analyzing a new study, Washington Post reports that rising global temperatures may be affecting the Greenland ice sheet and its contribution to sea-level rise in more serious ways that scientists imagined.

The US space agency Nasa has warned that the effects of the current El Nino weather phenomenon could be as bad as those of 1998, the strongest on record.

The melting of glaciers caused by the world's rising temperatures appears to be causing a slight slowing of the Earth's rotation in another illustration of the far-reaching impact of global climate change, scientists say.

A critical "clean" draft text has been published at UN climate talks here in Paris after delays.

It's clear at this point that even if the international climate accord being negotiated in suburban Paris becomes legally binding, it won't include punitive measures like trade sanctions or embargoes on straggler countries that fail to meet their commitments.

Prince Charles is expected to call for better protection of the world's forests at the UN climate conference in Paris.

World leaders open an historic summit in Paris aimed at ending decades of political gridlock and forging an elusive agreement to avert calamitous global warming.

Nearly 150 global leaders are gathering in Paris on Sunday for a critical UN climate meeting, amid tight security.The conference, known as COP21, will attempt to craft a long-term deal to limit carbon emissions.

YouTube users will notice a new icon at the top of the video platform this week as part of a new campaign to highlight how climate change "affects the things we love",

Human societies will soon start to experience adverse effects from manmade climate change, a prominent economist has warned.

Large swathes of Shanghai, Mumbai, New York and other cities will slip under the waves even if an upcoming climate summit limits global warming to two degrees Celsius.

Global warming could elevate disease, ravage crops and push 100 million more people into poverty without action to prevent it, the World Bank warned in a disturbing new report Sunday.

The UN's Green Climate Fund (GCF) says it approved its first financing of projects to help developing countries fight global warming, three weeks before a summit opens in Paris to ink a climate rescue pact.

The UN says the current climate plans from 146 countries represent a significant advance-- but will not enough to prevent dangerous warming.

Corals worldwide are at risk from a major episode of bleaching which turns reefs white, scientists have confirmed.

China's President Xi Jinping is set to unveil a landmark pledge on climate change and curbing harmful emissions, White House officials say.

Trees, crucial absorbers of climate-harming carbon dioxide gas, may finally be balking at an ever-earlier spring season brought on by global warming, researchers have said.

There are just over three trillion trees on Earth, according to a new assessment.

As global warming causes water levels around the world to rise, an old architectural form, floating architecture, is being updated to enable living in flood-prone areas. Floating architecture has been around for centuries, particularly in low-lying parts of Europe such as the Netherlands.