Earth Day 2025 calls for a renewable revolution. With Kenya leading in geothermal energy and Haller supporting smallholder communities with sustainable power, the future is green.

Rachel Carson’s Silent Spring ignited the modern environmental movement. Decades later, her warnings on pesticides remain urgent. Learn how Haller is driving change.

In 1970 Dr Rene Haller assumed the seemingly insurmountable task of reintegrating flora and fauna into the quarry.