Skip to main content

Author: Thomas Everth

More disinformation

The guest editorial (Through the Portal) on EVs by Trevor Ammundsen is full of misinformation. EVs in New Zealand are not fossil fuel-powered. About 85% of our electricity is generated without any use of fossil fuels, and with several significant solar farms and further wind farms coming online, that percentage is going to rise. New Zealand still has significant untapped fossil fuel-free electricity generation potential, which will be realised in turn. Mr Ammundsen seems to think that EVs don’t pay for the electricity they use to charge. I wonder why he does not study at least a little of...

Continue reading

Climate change confusion

At the start of 2019, the seasonally averaged CO2 concentration was 411 ppm, and at the end of 2023, it was 421 ppm. The rate of increase in the last decade was about 2ppm per year. In the 1960s, the rate was only 0.5 ppm per year. It is absolutely sobering to realise that the restrictions due to COVID-19 did not make any meaningful difference. This shows the magnitude of the task ahead to bring emissions down and eventually cause the CO2 concentration in the atmosphere to decline. The latest climate papers argue that the hotter climate models that project a rise of 5 to 6 Degrees Celsius...

Continue reading