Room 3 - Climate Change and the Environment: the Basics.

BBC News:
What is climate change? A really simple guide, climate change threatens every aspect of human life.

BBC News:
What are El Nino and La Nina, and how do they change the weather?

Columbia Climate School:
State of the Planet: What Uncertainties Remain in Climate Science? Science is always a work in progress.

EcoWatch:
Global Warning: Earth Has 50% Chance of Exceeding 1.5 Degrees Celsius in Next Five Years, Scientists Say.

Facebook:
Climate Science Centre, Facts about climate change correcting common misconceptions.

Greenpeace:
"Now, nothing is normal" -- six ocean experts share their hopes, fears and solutions for our blue planet.

Guardian:
Climate scientists are desperate: we're crying, begging and getting arrested, "Nothing has worked."

Guardian:
Extreme heat around the world in videos, photos and graphics: from wildfires to glacier collapses.

Guardian:
Destruction of nature as threatening as climate crisis: biodiversity situation 'really very, very scary'

Guardian:
Hope amid climate chaos: '...race between Armageddon and awesome': Renewables, decarbonisation, activism, cooperation ...

Guardian:
Extreme heat could put 40% of land vertebrates in peril by end of century: 'disastrous consequences for wildlife'.

GuyonClimate:
Tracking planetary extreme, or record temperatures related to climate change.

Intergovernmental Panel on Climate Change (IPCC):
Comprehensive reports about knowledge on climate change, causes, potential impacts and response options.

MIT Climate Portal:
Podcast that breaks down the science, technologies, and policies behind climate change.

Medium:
Understanding climate change, way forward: mitigation, climate change is happening.

NASA: Global Climate Change:
Climate Change: How Do We Know? Evidence, Causes, Effects, Scientific Consensus, Vital Signs, FAQ.

Natural History Museum:
What is climate change and why does it matter? News, Earth?

Probable Futures:
Understanding our climate: Explore the history of our planet's temperature.

Skeptical Science:
Global Warming & Climate Change Myths: summary of myths by recent popularity vs what science says.

United Nations, Climate Action:
Raising Ambition, Science, Actors, Actions, Solutions, Act Now, UN & Climate Change, Digital Library

United Nations, Climate Action:
What Is Climate Change? Refers to long-term shifts in temperatures and weather patterns.

Wikipedia:WikiProject Climate change:
Covers all Wikipedia climate change articles, focus on human-caused climate change.

Yale Climate Connections:
What you need to know about carbon dioxide removal: removing carbon from the atmosphere.

More links including very latest.