13 results found for climate

View Grid List
Sort A-Z By date
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 | 8 years ago | 1887 views
Rating:

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....

More details | Watch now
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 | 9 years ago | 1067 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....

More details | Watch now
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 | 9 years ago | 1587 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....

More details | Watch now
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 | 9 years ago | 1086 views
Rating:

More details | Watch now
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 | 9 years ago | 1346 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....

More details | Watch now
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 | 9 years ago | 1581 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....

More details | Watch now
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 | 9 years ago | 1253 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 ....

More details | Watch now
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 | 9 years ago | 936 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....

More details | Watch now
00:37:00

Communicating Climate Change Science

by Mario Molina
Communicating Climate Change Science
for 18-22 and upwards,
Lectures | 18-22 and upwards | 9 years ago | 1678 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 ....

More details | Watch now
00:41:00

The Energy and Climate Change Challenges and Opportunities

by Steve Chu
The Energy and Climate Change Challenges and Opportunities
for 18-22 and upwards,
Lectures | 18-22 and upwards | 9 years ago | 1321 views
Rating:

Science and technology has profoundly transformed the world.  After giving a few historical examples, beginning with the industrial revolution, I will discuss the challenges, opportunities and necessity for the world to transition to a sustainable e....

More details | Watch now
00:30:00

Powering the Future

by Robert Laughlin
Powering the Future
for 18-22 and upwards,
Lectures | 18-22 and upwards | 9 years ago | 1383 views
Rating:

Some seeds of what to do in the climate/energy controversy are contained in what will be.  In this talk I shall ask everyone to jump over contemporary politics and make a mental journey to a time, several centuries from now, when nobody uses carbon-....

More details | Watch now
01:00:00

Science not stamp collecting? Botany from 1759 to 2059

by Stephen Hopper
Science not stamp collecting? Botany from 1759 to 2059
for 18-22 and upwards,
Lectures | 18-22 and upwards | 14 years ago | 1431 views
Rating:

Professor Hopper considers the vital role that the study of plant taxonomy and systematics has played in plant science. He considers, in particular, how these fields are transforming to meet the needs of 21st Century science as we address the challen....

More details | Watch now

Items per page: