Email Maggie Surface to contribute to the Encyclopedia of Earth on these or other topics.
Wanted Physics and Technology articles:
Appropriate technology
Classical mechanics
Conservation of energy
Electric current
Electromagnetism
Electron
Fission
Force
Frequency
Fusion
Gravity
Heat
History of quantum mechanics
Internet
Kinetic energy
Laser
Magnetic field
Magnetic resonance imaging
Magnetism
Mass
Maxwell’s Equations
Mechanics
Momentum
Motion
Neutron
Optics
Philosophy of physics
Photoelectric effect
Photon
Physics
Potential energy
Power
Proton
Quantum mechanics
Resonance
Schrödinger, Erwin
Schrödinger’s equation
Scientific method
Scientific Revolution
Special theory of relativity
Steam engine
Subatomis particles
Technology
Transistor
Transistor
Uncertainty principle
Velocity
William Rowan Hamilton
Work
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Approximately 6.6 billion humans now inhabit the Earth. By comparison, there might be 20 million mallard ducks and, among a multitude of threatened and endangered species, perhaps 100,000 gorillas, 50,000 polar bears, and less than 10,000 tigers, 2,000 giant pandas and 200 California condors. Notably, the human population has grown nearly ten-fold over the past three centuries and has increased by a factor of four in the last century.

Joanie Kleypas is a marine ecologist/geologist at the National Center for Atmospheric Research with a background ranging from fish ecology to coral reef modeling. Her work concentrates on the interactions between coral reef ecosystems and climate, particularly on the large-scale environmental controls on coral reef ecosystems.

Coral Reefs Collection
Coral reefs and climate change
Corals as endangered […]

The word “biodiversity” is a contracted version of “biological diversity”. The Convention on Biological Diversity defines biodiversity as:
“the variability among living organisms from all sources including, inter alia, terrestrial, marine and other aquatic ecosystems and the ecological complexes of which they are a part; this includes diversity within species, between species, and of ecosystems.”

The water sector worldwide is increasingly characterized in terms of a crisis situation. The unique and complex characteristics of the water resource entail complex social, political, and economic implications in its management.

Poaching is the illegal hunting, killing or capturing of animals. This can occur in a variety of ways. Poaching can refer to the failure to comply with regulations for legal harvest, resulting in the illegal taking of wildlife that would otherwise be allowable.

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Energy footprint of the U.S. manufacturing sectors
Health and safety aspects of petroleum refining
Hydrogen production in petroleum refining
Petroleum history, United States
Public Health Statement for Total Petroleum Hydrocarbons (TPH)

States, heating oil industry unveil plan to slash emissions
It’s still winter, but ‘windfall’ tax specter has oil industry hot around the collar
BP agrees to pay $180M for Texas […]

Introduction

The various activities associated with the production of electricity from nuclear reactions are referred to collectively as the nuclear fuel cycle. The nuclear fuel cycle starts with the mining of uranium and ends with the disposal of nuclear waste. With the reprocessing of used fuel as an option for nuclear energy, the…