What is El Nino?
Large area of the eastern tropical
Pacific that is normally cold in the
surface, becomes warm. This is a
periodic shift in the global climate
Civil conflicts are associated
with the g
Islands what can we learn from them?
Why are river valleys more forgiving
than islands? How does the concept of
natural capital help illustrate this concept?
What is an ecosphere? Howe does it
differ from an aquarium?
Greenland Collapse of a
Moffett Lecture 3
Climate change and Collapse
How to distinguish factual material from
opinion disguised as fact.
How to evaluate risks
Species disappearing at an alarming rate, report say
Contamination of the San Fernado
The aquifer spans most of the Valley floor, holding about
3.2 million acre-feet of water, or enough to supply the
entire city for five years.
The plume of toxic chemicals under the San Fernando
Valley has now gro
Moffett Lecture 5
Source: US Geological Survey
There are two categories of
Confined or artesian = water-bearing,
porous rocks are trapped between layers
of less permeable substrate (i.e., clay)
Unconfined aquifer = no upper layer to
Moffett Lecture 2
Introduction to Climate Change:
Predicting the future
The Scientific Consensus about
Future Climate Change
There is strong evidence that human
activities will play an important role in
changing the earths climate during this