Global warming refers to the increase in the average temperature of the Earth's near-surface air and oceans in recent decades and its projected continuation.
The global average air temperature ... > more
Agroecology is the science of applying ecological concepts and principles to the design, development, and management of sustainable agricultural systems.
Agroecology is the science of sustainable ... > more
An artificial reef is a man-made, underwater structure, typically built for the purpose of promoting marine life in areas of generally featureless bottom. Artificial reefs may also serve to improve ... > more
The Jurassic period is a major unit of the geologic timescale that extends from about 200 Ma (million years ago) at the end of the Triassic to 146 Ma at the beginning of the Cretaceous. The Jurassic ... > more
Weather forecasting is the application of current technology and science to predict the state of the atmosphere for a future time and a given location. Weather forecasts are made by collecting as ... > more
A tornado is a violently spinning column of air in contact with both a cumiliform cloud base and the surface. A tornado is typically shaped like a funnel with the narrow end on the ground. Tornadoes ... > more
Snow is precipitation in the form of crystalline water ice, consisting of a multitude of snowflakes. Snow is commonly formed when water vapor undergoes deposition high in the atmosphere at a ... > more