A Simple Climate Model of Earth’s Surface Temperature Response to GHG Emissions
A simple dynamical model relating Earth’s expected surface temperature anomaly to CO2 emissions will be presented. The obvious constraints and limitations aside, such a dynamical model enables a variety of emissions scenarios to be explored. Results are compared against findings in the IPCC AR5 and SR15 reports and we reflect on possible pathways ahead.
Read MoreSubmission In Response To: Price Discovery Under 100% Renewable Electricity Supply – Issues Discussion Paper
We very strongly agree with the need to take strong and immediate steps to limit climate change by reducing our greenhouse gas emissions. There are major issues regarding how the electricity market currently operates that are related to this and require urgent attention, but do not seem to be specifically covered in the discussion paper.
Read MoreMarch 2022
– IPCC issues ‘bleakest warning yet’ on impacts of climate breakdown
– Coal power’s sharp rebound is taking it to a new record threatening net zero goals
– How ‘super-enzymes’ that eat plastics could curb our waste problem
– How to store excess wind power underwater
– Reasons to be hopeful: the climate solutions available now
– Nuclear fusion heat record a ‘huge step’ in quest for new energy source
New Zealand’s Nationally Determined Contribution (NDC) And Emissions Budgets Need Urgent Review
Our current Nationally Determined Contribution (NDC), made under the Paris Agreement, is extremely weak. While not clearly stated, the undertaking to reduce our emissions by 30% over the 2005-2030 period is based on a comparison of gross emissions in the base year with net emissions in the target year. On a consistent net-net basis it is actually an undertaking to increase our net emissions by approximately 1% over this period.
Read MoreOctober 2021
– Our last, best chance on climate
– Construction companies should avoid knocking down buildings
– The Scandinavian way to zero carbon construction
– Climate crisis: Do we need millions of machines sucking CO2 from the air?
– Global windfarm installations expected to surge after Covid drop, says report
– Reducing cows’ methane emissions
UN warnings over nations’ climate plans
– Climate Action Tracker Global Update September 2021: Summary
September 2021
– Desertification is turning the Earth barren
– One in three trees face extinction in the wild
– Agrivoltaics – three dual land use examples
– Making milk by fermentation
– It’s not the cow, but the how
A New Perspective on the Importance of Methane in New Zealand’s Greenhouse Gas Emissions
Recent analysis shows that in the relatively short timeframe available to curb our carbon emissions, it is even more important than we thought to get on top of our methane emissions. This is not an easy message to get across in New Zealand, which relies heavily on its agricultural economy.
Read MoreJune 2021
– Calculating emission reduction requirements to achieve net zero – A discussion.
– The water is coming’: Florida Keys faces stark reality as seas rise
– IPCC steps up warning on climate tipping points in leaked draft report
– Cloud spraying and hurricane slaying: How ocean geo-engineering became the frontier of the climate crisis
– Can old traditions and tech help Singapore reach zero waste?
April 2021
– New Zealand emissions rise as government vows action
– The poorly understood power of seaweed
– The rice of the sea: How a tiny grain could change the way humanity eats
– China ‘must shut 600 coal-fired plants’ to hit climate target
– Fossil fuel cars make ‘hundreds of times’ more waste than electric cars
– First dog on the moon cartoon on “Hope”