James E. Hansen

James E. Hansen is a NASA scientist and climate researcher who became one of the earliest and most prominent voices warning about human-caused global warming. As director of NASA's Goddard Institute for Space Studies from 1981 to 2013, he published groundbreaking studies on climate change and testified before Congress about the dangers of greenhouse gas emissions. Hansen gained widespread attention in 1988 when he testified to Congress that human-caused global warming had already begun. His research focused on Earth's energy imbalance, climate sensitivity, and the impacts of aerosols and greenhouse gases on global temperature. He developed one of the first global climate models and helped establish the scientific foundation for understanding climate change. Throughout his career, Hansen has combined scientific research with public advocacy for reducing greenhouse gas emissions. He has authored multiple books including "Storms of My Grandchildren" (2009) and has been arrested several times while participating in climate protests. His work has earned him numerous scientific awards including the Carl-Gustaf Rossby Research Medal. After retiring from NASA in 2013, Hansen continues his climate research as an adjunct professor at Columbia University's Earth Institute. He remains active in publishing scientific papers and speaking about climate change policy, particularly advocating for carbon pricing as a solution to reduce emissions.

Readers value Hansen's ability to explain complex climate science in accessible terms, particularly in "Storms of My Grandchildren." Many note his combination of scientific expertise with personal perspective as a grandfather concerned about future generations. What readers liked: - Clear explanations of climate feedback loops and tipping points - Detailed scientific data backed by research - Personal anecdotes about interactions with policymakers - Specific policy recommendations What readers disliked: - Technical sections can be dense for general audiences - Some found his tone too urgent or alarmist - Political commentary distracts from scientific content - Mathematical equations and graphs interrupt narrative flow Ratings: - Goodreads: 4.0/5 (1,200+ ratings) - Amazon: 4.4/5 (180+ ratings) Sample reader comment: "Hansen presents the science thoroughly but his activism sometimes overshadows the data. Still, an important perspective from someone who has studied this longer than most." - Goodreads reviewer

Storms of My Grandchildren: The Truth About the Coming Climate Catastrophe and Our Last Chance to Save Humanity (2009) A scientific examination of climate change that combines research data with personal reflections on environmental policy, detailing Hansen's journey from NASA scientist to climate activist.

Bill McKibben has written extensively about climate change science and policy since the 1980s as both a researcher and activist. His work focuses on explaining climate impacts and advocating for emissions reductions through books like "The End of Nature" and "Falter."

Michael E. Mann combines climate science research with public communication about global warming and responses to climate denialism. His research on historical temperature reconstructions produced the famous "hockey stick" graph showing rapid modern warming.

Elizabeth Kolbert investigates climate change impacts and extinction through field reporting with scientists worldwide. Her books "Field Notes from a Catastrophe" and "The Sixth Extinction" document evidence of environmental changes through direct observation and interviews.

David Wallace-Wells analyzes potential societal impacts of unchecked climate change based on scientific projections and research. His work in "The Uninhabitable Earth" examines worst-case scenarios while maintaining focus on current data and evidence.

Naomi Klein connects climate change to economic systems and social justice through investigative reporting and analysis. Her books "This Changes Everything" and "On Fire" examine the intersection of climate science with politics, economics and activism.