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VideoAug 2011

The Climate Factor, global warming warning from 1984

US government film produced by NOAA (National Oceanic and Atmospheric Administration) warning of a warming planet. This idea was actually considered much earlier. In 1896, Swedish scientist Svante August Arrhenius proposed that carbon dioxide emissions from the burning of coal would enhance the Earth's greenhouse effect and lead to global warming.

VideoDec 2019

Just Have a Think | Could there ever be a sustainable aviation industry?

(12:06) Is liquid hydrogen the path to a carbon-free flying future?

VideoOct 2019

Answers With Joe | The worst greenhouse gas might surprise you

(13:08) CO2 does warm the planet, but how can so little (0.04% of the atmosphere) have such a big effect?

VideoDec 2015

David Pakman - Massive methane leak in California is not news

(4:09) Did you know that a massive methane leak in California, discovered in October, is the biggest catastrophe since BP's disaster in the Gulf of Mexico in 2010.


VideoNov 2018

Electric Cars - Batteries vs Hydrogen Fuel Cells

(16:21) Batteries are winning over hydrogen fuel cells as the way to provide electricity for electric vehicles. But do hydrogen fuel cells have a future?

VideoAug 2018

Is our food becoming less nutritious?

(7:29) The nutrient content of food is declining. But why?

VideoNov 2014

A year in the life of Earth's CO2

(3:11) NASA climate scientist Bill Putman takes a look at their new computer model GEOS-5 that shows how carbon dioxide in the atmosphere travels around the globe.


VideoAug 2011

Sixty Symbols - Water in space

(6:02) Astronomer Mike Merrifield discusses the recent evidence for water on Mars and in space.

VideoApr 2016

Australian river on fire!

(1:57) Location: 1 km from fracking site.


VideoOct 2018

Why it's so hard to capture CO2 from the air

(4:14) Could negative emission technologies be the solution to our carbon emissions?