Lucas Joppa is chief sustainability officer and senior managing director at Haveli Investments, Austin, Texas, USA. Net zero. This simple accounting term represents humanity’s greatest challenge — and ...

Multiple clean energy megatrends are converging: exponential growth in deployed solar and storage capacity, along with a rapid drop in storage prices that is making batteries cost-competitive. These ...

In 2024, the global average annual temperature exceeded 1.5 °C above pre-industrial levels for the first time. Greenhouse-gas emissions are rising, and the window to reach net zero by 2050 is closing ...

For nearly twenty years, satellites have quietly gauged the flow of sunlight and heat through the Earth’s atmosphere. Today, ...