I first came across climate change at university in the late 1990’s, doing basic calculations of energy transfers across multiple levels in the atmosphere. Even at that basic level, how increasing greenhouse gas levels in the atmosphere can trap more heat in the Earth’s climate system became very clear, at…

This is a share of a piece written for The Conversation https://theconversation.com/humanitys-tipping-point-how-the-queens-death-stole-a-climate-warnings-thunder-203143

What do we choose — 10m higher sea level or pulling CO2 out of the air? The topic of climate tipping points has been a hot area of research in the last 10 years or so. …

Working as a climate scientist I am pretty used to seeing alarming articles on climate change appear in the news, and then vanish without much trace. A recent alarming paper on climate tipping points is a case in point… we are at, or close to several major tipping points in…

Time to get mad millennials and GenZer’s There was an idea around in the 20th century that things would continue improving — standards of living and life expectancies would continue rising etc. People have woken up that this is no longer the case, and - climate change and other environmental…

The Australian federal government has recently announced a new EV policy for Australia. Many states in Australia have targets of 30% or 50% of new vehicles sold to be electric by 2030. Is this enough to support goals of 50% emissions reductions by 2030? The Australian motor vehicle census… https://www.abs.gov.au/statistics/industry/tourism-and-transport/motor-vehicle-census-australia/…

* Warning if you are yet to see Ad Astra… spoilers abound * Stories with a big scope exploring complex themes attract me as a moviegoer. “Ad Astra” is certainly all of that. Brad Pitt stars as astronaut Roy McBride, sent to Neptune via the Moon and Mars. Roy is…

The world seems increasingly scary these days…tensions between nuclear superpowers, climate change, micro-plastics being found in the oceans and in all of us, living through -and causing- the biggest extinction of life on this planet in millions of years, increasing job uncertainty and inequality, mass shootings and bombing around the…