Sir David MacKay

Sir David MacKay was a British physicist and engineer known for his work on energy and sustainability. He emphasized the importance of understanding energy resources and efficiency to tackle climate change. His influential book, "Sustainable Energy—Without the Hot Air," encourages realistic thinking about energy use, highlighting how technology, smarter choices, and efficient practices can reduce our environmental impact. MacKay’s clear, evidence-based approach helped bridge scientific understanding with practical solutions, inspiring policymakers and the public to consider sustainable energy options grounded in data and feasibility.