Paul J. Crutzen

Chemistry Dutch 1933 – 2021 422 quotes

He won the Nobel Prize for his work on the formation and decomposition of ozone.

Most quoted

"Considering these and many other major and still growing impacts of human activities on Earth and atmosphere, and at all, including global, scales, it seems to me more than appropriate to emphasize the central role of mankind in geology and ecology by proposing to use the term 'Anthropocene' for the current geological epoch."

— from The 'Anthropocene', 2000

"For the past three centuries, the effects of humans on the global environment have escalated. Because of these, it seems to me that it is more than appropriate to emphasize the central role of mankind in geology and ecology by proposing to use the term 'Anthropocene' for the current geological epoch."

— from IGBP Newsletter, 2000

"The Anthropocene could be said to have started in the latter part of the eighteenth century, when analyses of air trapped in polar ice showed the beginning of growing global concentrations of carbon dioxide and methane."

— from Geology of Mankind, 2002

All quotes by Paul J. Crutzen (422)

Humanity has become a geological agent.

Nature 2002

The stability of the Holocene is gone. We are now in a period of great instability.

Ambio 2007

We are the first species to have a conscious global impact.

Various speeches

The Anthropocene is not just about climate; it's about biodiversity loss, nitrogen cycles, land use change—the whole system.

Various interviews 2011

Our technological power has outpaced our wisdom to use it responsibly.

Various speeches

The concept of the Anthropocene is a call to action.

The Anthropocene Review 2016

We need a new ethic for the Anthropocene.

Various speeches

The Montreal Protocol is a success story that gives us hope for tackling climate change.

Various speeches 2007

We are altering the planet on a scale comparable to some of the great forces of nature.

Nature 2002

The Anthropocene is a time of great risk, but also of great opportunity.

Various speeches 2011

We must act as stewards of the Earth System.

Various speeches

The future is not predetermined. We can still choose a different path.

Various speeches

Ignoring the signs of the Anthropocene is a recipe for disaster.

Various speeches

We have the knowledge. What we need is the will to act.

Various speeches

The Earth System is resilient, but it has tipping points we must avoid.

Ambio 2007

We are writing Earth's history with our actions.

Various speeches

The Anthropocene makes us all geologists.

Various interviews 2011

Our legacy will be written in the rocks, the ice, and the atmosphere.

Various speeches

The challenge of the Anthropocene is to ensure a good future for both humanity and the planet.

The Anthropocene Review 2016

Science alone cannot solve the problems of the Anthropocene; we need social and political innovation.

Various speeches 2011