Climate Change

Significant Figures by Peter Gleick

Category archives for Climate Change

[An early version of this essay was originally published on my Forbes blog in 2012. It has been edited and updated.] Geologic time scales are long – far too long for the human mind to easily comprehend. Over millions, and tens of millions, and hundreds of millions of years, the Earth has changed from something…

In late February 2017, the Pontifical Academy of Sciences hosted a workshop on the human right to water organized by the Cátedra del Diálogo y la Cultura del Encuentro of Argentina with several other organizations. With many colleagues from science, law, human rights, history, and religion, this workshop offered the opportunity to debate and discuss…

National academies of sciences from around the world have published formal statements and declarations acknowledging the state of climate science, the fact that climate is changing, the compelling evidence that humans are responsible, and the need to debate and implement strategies to reduce emissions of greenhouse gases. Not a single national science academy disputes or…

(Updated January 2017 by Dr. Peter Gleick, Pacific Institute) Scientific understanding of the role of humans in influencing and altering the global climate has been evolving for over a century. That understanding is now extremely advanced, combining hundreds of years of observations of many different climatic variables, millions of years of paleoclimatic evidence of past…

Among the different professional categories, scientists and engineers remain very highly respected by the public, at least compared to politicians, business leaders, the media, and even religious authorities. Part of this is due to the fact that success in the scientific enterprise depends on impartial analysis and independence from political ideology. And yet there are…

My new Science Magazine article “Water Strategies for the Next Administration” has just been released (embargo lifts 11am Pacific, November 3rd; the print version will appear in the November 4th issue of Science). It identifies six major water-related challenges facing the United States and offers explicit recommendations for strategies the next Administration and Congress should…

The announcement that Pacific Gas and Electric (PG&E) will close the Diablo Canyon Nuclear Plant when its current operating licenses expire in 2025 has caused what can only be described as consternation mixed with occasional conniptions among the nuclear industry and some strongly pro-nuclear groups. That’s understandable. Diablo Canyon is aging, but is not the…

Global Droughts: A Bad Year

Populations around the world face many severe water challenges, from scarcity to contamination, from political or violent conflict to economic disruption. As populations and economies grow, peak water pressures on existing renewable water resources also tend to grow up to the point that natural scarcity begins to constrain the options of water planners and managers.…

As readers of this column may already know, earlier this week the Pacific Institute and I announced an important and exciting change: on July 1st after 28 years as co-founder and President of the Institute, I will be moving to a new position as President Emeritus and Chief Scientist. A wide search for a new president…

By Peter Gleick, Brett Walton, J. Carl Ganter Water was a Top Risk on the 2015 Global Agenda In early 2015, participants at the World Economic Forum, a who’s who of the political and business elite, ranked water crises as the top global risk. Water was also a key factor in the adoption by the…