You Asked: Lamont and Climate School Experts Tackle Reader Questions on Science and Sustainability

Have you ever wondered how dinosaurs survived when CO₂ levels were high? Or how exactly carbon dioxide drives global warming? Or even: If the science is clear, why do we still need more climate research?

We invite you to share your most pressing questions about climate, science and sustainability. Lamont-Doherty Earth Observatory and Columbia Climate School experts will respond with clear, evidence-based answers, covering topics from climate change and energy to ecosystems and natural disasters.

You Asked creates a space where curiosity meets research, connecting public questions with leading scientists. Drawing on the latest science, our faculty help make sense of a rapidly changing world—one question at a time.

Pose your questions and future story ideas here!