As energy systems electrify, it will become increasingly important to measure renewables as a portion of overall power generation to fully understand how fast economies are decarbonising.
Heat pumps provide energy-efficient heating and cooling and are one of the most effective technologies available to decarbonise buildings.
Using electric trucks for urban deliveries can reduce greenhouse gas emissions and improve air quality, but key to keeping costs down is knowing when to charge, says Julia Hildermeier from the Regulatory Assistance Project.
Technology and some visionary thinking can make clean energy affordable for everyone, says Octopus founder Greg Jackson.
Off-grid solar only represents a tiny percentage of renewable energy, but it's vital for the poorest households in developing countries. This success story risks being jeopardised by the Covid pandemic.
G20 leaders need to ditch voluntary commitments and set clear, measurable targets for clean energy access when they meet later this month.
Clean energy entrepreneur Danny Kennedy believes California’s Salton Sea geothermal field could be “a green, home-grown lithium resource” unlocking transport electrification.