---
title: "8 Decades Quotes By James Hansen"
description: "8 Decades quotes by James Hansen. Plus more from James Hansen and more Decades sayings from other authors."
image: "https://sms4smile.com/quotes/i/1e5/james-hansen-7143_climate_the-five-year-mean-global-temperature-ha_280273.jpg"
---

> [The five-year mean global temperature has been flat for the last decade](https://sms4smile.com/quotes/james-hansen/the-five-year-mean-global-temperature-has-been-flat-for-the-last/)

[James Hansen](https://sms4smile.com/quotes/author/james-hansen/)

[Image](https://sms4smile.com/quotes/i/1e5/james-hansen-7143_climate_the-five-year-mean-global-temperature-ha_280273.jpg)

> [The five-year mean global temperature has been flat for the last decade, which we interpret as a combination of natural variability and…](https://sms4smile.com/quotes/james-hansen/the-five-year-mean-global-temperature-has-been-flat-for-the-last-2/)

[James Hansen](https://sms4smile.com/quotes/author/james-hansen/)

[Image](https://sms4smile.com/quotes/i/e24/james-hansen-7143_climate_the-five-year-mean-global-temperature-ha_460984.jpg)

> [I think we have a very brief window of opportunity to deal with climate change... no longer than a decade, at the…](https://sms4smile.com/quotes/james-hansen/i-think-we-have-a-very-brief-window-of-opportunity-to-deal-with/)

[James Hansen](https://sms4smile.com/quotes/author/james-hansen/)

[Image](https://sms4smile.com/quotes/i/3ec/james-hansen-7143_change_i-think-we-have-a-very-brief-window-of-o_698448.jpg)

> [The climate system is being pushed hard enough that change will become obvious to the man in the street in the next…](https://sms4smile.com/quotes/james-hansen/the-climate-system-is-being-pushed-hard-enough-that-change-will/)

[James Hansen](https://sms4smile.com/quotes/author/james-hansen/)

[Image](https://sms4smile.com/quotes/i/5c5/james-hansen-7143_change_the-climate-system-is-being-pushed-hard_700350.jpg)

> [ We're handing them \[young people & future generations\] a climate system which is potentially out of their control. We're in an emergency:… ](https://sms4smile.com/quotes/james-hansen/we-re-handing-them-young-people-future-generations-a-climate-system/)

[James Hansen](https://sms4smile.com/quotes/author/james-hansen/)

[Image](https://sms4smile.com/quotes/i/1bc/james-hansen-7143_climate_we-re-handing-them-young-people-future-g_1485882.jpg)

> [It has become very difficult for anyone to argue that observed global warming is natural variability. We have good reason for being…](https://sms4smile.com/quotes/james-hansen/it-has-become-very-difficult-for-anyone-to-argue-that-observed-global/)

[James Hansen](https://sms4smile.com/quotes/author/james-hansen/)

[Image](https://sms4smile.com/quotes/i/22c/james-hansen-7143_able_it-has-become-very-difficult-for-anyone_1778457.jpg)

> [How long have we got? We have to stabilize emissions of carbon dioxide within a decade, or temperatures will warm by more…](https://sms4smile.com/quotes/james-hansen/how-long-have-we-got-we-have-to-stabilize-emissions-of-carbon-dioxide/)

[James Hansen](https://sms4smile.com/quotes/author/james-hansen/)

[Image](https://sms4smile.com/quotes/i/166/james-hansen-7143_carbon_how-long-have-we-got-we-have-to-stabiliz_2020410.jpg)

> [The climate is nearing tipping points. Changes are beginning to appear and there is a potential for explosive changes, effects that would…](https://sms4smile.com/quotes/james-hansen/the-climate-is-nearing-tipping-points-changes-are-beginning-to-appear/)

[James Hansen](https://sms4smile.com/quotes/author/james-hansen/)

[Image](https://sms4smile.com/quotes/i/c93/james-hansen-7143_change_the-climate-is-nearing-tipping-points-ch_2703551.jpg)

## Other authors on Decades

## More by James Hansen

> [Talking nice about sun and wind and green jobs is just greenwash.](https://sms4smile.com/quotes/james-hansen/talking-nice-about-sun-and-wind-and-green-jobs-is-just-greenwash/)

[James Hansen](https://sms4smile.com/quotes/author/james-hansen/)

> [What is frustrating people, me included, is that democratic action affects elections but what we get then from political leaders is greenwash.](https://sms4smile.com/quotes/james-hansen/what-is-frustrating-people-me-included-is-that-democratic-action/)

[James Hansen](https://sms4smile.com/quotes/author/james-hansen/)

> [The five-year mean global temperature has been flat for the last decade](https://sms4smile.com/quotes/james-hansen/the-five-year-mean-global-temperature-has-been-flat-for-the-last/)

[James Hansen](https://sms4smile.com/quotes/author/james-hansen/)

> [What makes tar sands particularly odious is that the energy you get out in the end, per unit carbon dioxide, is poor. It's equivalent…](https://sms4smile.com/quotes/james-hansen/what-makes-tar-sands-particularly-odious-is-that-the-energy-you-get/)

[James Hansen](https://sms4smile.com/quotes/author/james-hansen/)

> [We are on the precipice of climate system tipping points beyond which there is no redemption.](https://sms4smile.com/quotes/james-hansen/we-are-on-the-precipice-of-climate-system-tipping-points-beyond-which/)

[James Hansen](https://sms4smile.com/quotes/author/james-hansen/)

> [Jail threats did not dissuade Martin Luther King - and intergenerational justice is a moral issue of comparable magnitude to civil rights.](https://sms4smile.com/quotes/james-hansen/jail-threats-did-not-dissuade-martin-luther-king-and/)

[James Hansen](https://sms4smile.com/quotes/author/james-hansen/)

> [The United States did not sign Kyoto, yet its emissions are not that different from the countries that did sign it.](https://sms4smile.com/quotes/james-hansen/the-united-states-did-not-sign-kyoto-yet-its-emissions-are-not-that/)

[James Hansen](https://sms4smile.com/quotes/author/james-hansen/)

> [The five-year mean global temperature has been flat for the last decade, which we interpret as a combination of natural variability and a slow…](https://sms4smile.com/quotes/james-hansen/the-five-year-mean-global-temperature-has-been-flat-for-the-last-2/)

[James Hansen](https://sms4smile.com/quotes/author/james-hansen/)

> [Rising carbon price is essential to 'decarbonize' the economy - to remove the nation towards the era beyond fossil fuels.](https://sms4smile.com/quotes/james-hansen/rising-carbon-price-is-essential-to-decarbonize-the-economy-to-remove/)

[James Hansen](https://sms4smile.com/quotes/author/james-hansen/)

> [Policy decisions on climate change are being deliberated every day by those without full knowledge of the science, and often with intentional misinformation spawned…](https://sms4smile.com/quotes/james-hansen/policy-decisions-on-climate-change-are-being-deliberated-every-day-by/)

[James Hansen](https://sms4smile.com/quotes/author/james-hansen/)

> [ Imagine a giant asteroid on a direct collision course with Earth. That is the equivalent of what we face now \[with climate change\], yet… ](https://sms4smile.com/quotes/james-hansen/imagine-a-giant-asteroid-on-a-direct-collision-course-with-earth-that/)

[James Hansen](https://sms4smile.com/quotes/author/james-hansen/)

> [The most difficult task, phase-out over the next 20-25 years of coal use that does not capture COâ‚‚, is Herculean, yet feasible when compared…](https://sms4smile.com/quotes/james-hansen/the-most-difficult-task-phase-out-over-the-next-20-25-years-of-coal/)

[James Hansen](https://sms4smile.com/quotes/author/james-hansen/)

> [As species are exterminated by shifting climate zones, ecosystems can collapse, destroying more species.](https://sms4smile.com/quotes/james-hansen/as-species-are-exterminated-by-shifting-climate-zones-ecosystems-can/)

[James Hansen](https://sms4smile.com/quotes/author/james-hansen/)

> [I think we have a very brief window of opportunity to deal with climate change... no longer than a decade, at the most.](https://sms4smile.com/quotes/james-hansen/i-think-we-have-a-very-brief-window-of-opportunity-to-deal-with/)

[James Hansen](https://sms4smile.com/quotes/author/james-hansen/)

> [The climate system is being pushed hard enough that change will become obvious to the man in the street in the next decade.](https://sms4smile.com/quotes/james-hansen/the-climate-system-is-being-pushed-hard-enough-that-change-will/)

[James Hansen](https://sms4smile.com/quotes/author/james-hansen/)

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