38 results found for climate

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00:35:00

A Random Walk in Science

by Steven Chu
A Random Walk in Science
for 18-22 and upwards,
Lectures | 18-22 and upwards | 5 years ago | 1184 views
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I will discuss my random walk in science, from my graduate student on postdoctoral years testing the Weinberg-Salam-Glashow theory of electro-weak forces, and then to energy transfer in condensed matter systems, the spectroscopy of positronium, laser....

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01:05:00

Continental loss: the quest to determine Antarctica’s contribution to sea-level change

by Matt King
Continental loss: the quest to determine Antarctica’s contribution to sea-level change
for 14-19 and upwards,
Lectures | 14-19 and upwards | 5 years ago | 1042 views
Rating:

For over 50 years scientists have been working to understand Antarctica’s contribution to sea level. For much of this time there has even been disagreement about if this massive ice sheet is growing or shrinking. In 2012, advances in data analysis....

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00:07:00

Can nanocrystals stop the climate change?

by Frank Riehle
Can nanocrystals stop the climate change?
for 14-19 and upwards,
Lectures | 14-19 and upwards | 6 years ago | 2073 views
Rating:

Fossil resources are limited and their CO2 emission strongly contributes to the global warming which is mainly responsible for the increasing appearance of natural catastrophes. Renewable biomass which can be converted into various forms of usable en....

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00:10:00

Snowflakes

by Cameron Lonie
Snowflakes
for 14-19 and upwards,
Highschool presentations | 14-19 and upwards | 6 years ago | 948 views
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Cameron gives a review of the study of snowflakes and some interesting points about of how our knowledge is still inadequate.

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00:32:00

What Future for Energy and Climate?

by Jack Steinberger
What Future for Energy and Climate?
for 18-22 and upwards,
Lectures | 18-22 and upwards | 6 years ago | 706 views
Rating:

We are using the planet's fossil fuel resources in a time which is very short compared to that of human evolution. In the same process we are changing the planet's climate and sea level, threatening the future of large segments of the global populat....

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00:28:00

Canoeing in the Arctic, a Scientist’s Perspective

by Peter Agre
Canoeing in the Arctic, a Scientist’s Perspective
for 18-22 and upwards,
Lectures | 18-22 and upwards | 6 years ago | 1097 views
Rating:

As scientists, our livelihoods are supported by teaching and research, but we also have the opportunity to make observations beyond our usual confines and share these with non-scientific citizens. Growing up in my native state of Minnesota, I have al....

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00:34:00

Greenhouse Gases and Climate Change

by Sherwood Rowland
Greenhouse Gases and Climate Change
for 18-22 and upwards,
Lectures | 18-22 and upwards | 6 years ago | 1004 views
Rating:

The 'greenhouse gases (GHG)' intercept a fraction of outgoing terrestrial infrared radiation, creating the natural greenhouse effect which warmed the atmosphere by approximately 32 Celsius at the beginning of the 20th Century. The activities of manki....

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00:31:00

Atmosphere Climate and Chemistry in the Anthropocene

by Paul Crutzen
Atmosphere Climate and Chemistry in the Anthropocene
for 18-22 and upwards,
Lectures | 18-22 and upwards | 6 years ago | 1007 views
Rating:

Despite their relatively small mass, 10-5% of the earth biosphere as a whole, generations of ambitious 'homo sapiens' have already played a major and increasing role in changing basic properties of the atmosphere and the earth's surface. Human activ....

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00:36:00

Energy and Climate Change – Is There a Solution?

by Mario Molina
Energy and Climate Change – Is There a Solution?
for 18-22 and upwards,
Lectures | 18-22 and upwards | 6 years ago | 796 views
Rating:

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00:23:00

Atmospheric Chemistry and Climate in the Anthropocene

by Paul Krutzen
Atmospheric Chemistry and Climate in the Anthropocene
for 18-22 and upwards,
Lectures | 18-22 and upwards | 6 years ago | 911 views
Rating:

Despite their relatively small mass, 10% of the earth biosphere as a whole, generations of ambitious ‘homo sapiens’ have already played a major and increasing role in changing basic properties of the atmosphere and the earth’s surface.  Human ....

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00:34:00

The Science and Policy of Climate Change

by Mario Molina
The Science and Policy of Climate Change
for 18-22 and upwards,
Lectures | 18-22 and upwards | 6 years ago | 636 views
Rating:

Climate change is the most serious environmental challenge facing society in the 21st century.  The basic science is clear: the International Panel on Climate Change concluded that there is more than 90% probability that human activities are causing....

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00:37:00

Communicating Climate Change Science

by Mario Molina
Communicating Climate Change Science
for 18-22 and upwards,
Lectures | 18-22 and upwards | 6 years ago | 1273 views
Rating:

Climate change represents one of the most serious challenges that society is facing in this century.  It is important for humanity to limit its interference with the climate system by profoundly modifying activities such as burning fossil fuels and ....

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