Sustainable agriculture -- Sustainable agriculture integrates three main goals: environmental stewardship, farm profitability, and prosperous farming communities. Sustainable agriculture refers to the ability of a farm to ... > full article

Agroecology -- 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 ... > full article

Infiltration (hydrology) -- Infiltration is the process by which water on the ground surface enters the soil. Infiltration is governed by two forces, gravity, and capillary action. While smaller pores offer greater resistance ... > full article

Forestry -- Forestry is the art, science, and practice of studying and managing forests and plantations, and related natural resources. Silviculture, a related science, involves the growing and tending of trees ... > full article

Water turbine -- A water turbine is a rotary engine that takes energy from moving water. Water turbines were developed in the nineteenth century and were widely used for industrial power prior to electrical grids. ... > full article

Slash and burn -- Slash and burn (a specific practice that may be part of shifting cultivation or swidden-fallow agriculture) is an agricultural procedure widely used in forested areas. Although it was practised ... > full article

Forest -- A forest is an area with a high density of trees (or, historically, a wooded area set aside for hunting). These plant communities cover large areas of the globe and function as animal habitats, ... > full article

Hydroelectricity -- Hydroelectricity is electricity obtained from hydropower. Most hydroelectric power comes from the potential energy of dammed water driving a water turbine and generator. Less common variations make ... > full article

Solar panel -- Solar panels are devices for capturing the energy in sunlight. The term solar panel can be applied to either solar hot water panels (usually used for providing domestic hot water) or solar ... > full article

Liquid nitrogen economy -- A liquid nitrogen economy is a hypothetical proposal for a future economy in which the primary form of energy storage and transport is liquid nitrogen. It is proposed as an alternative to liquid ... > full article

Photovoltaics : Design and Installation Manual
Producing electricity from the sun using photovoltaic (PV) systems has become a major industry worldwide. But designing, installing and maintaining such systems requires knowledge and training, and ... > read more

Environmental Science : Toward a Sustainable Future (9th Edition)
This classic book explores the interactions of humans within the natural environment and probes issues thoroughly, examining their scientific basis, history, and society's response. Strong science, ... > read more

The Cultural Landscape : An Introduction to Human Geography (8th Edition)
Trusted for its timeliness and readability, this book introduces geography by emphasizing the relevance of geographic concepts to human problems. Two years after Rubenstein's Update Edition was ... > read more

Authentic Happiness : Using the New Positive Psychology to Realize Your Potential for Lasting Fulfillment
In this national bestseller -- Martin Seligman's most stimulating, persuasive book to date -- the acclaimed author of Learned Optimism introduces yet another revolutionary idea. Drawing on ... > read more

Energy Efficiency Manual: for everyone who uses energy, pays for utilities, designs and builds, is interested in energy conservation and the environment (Energy Efficiency Manual)
This is the primary reference, how-to guide, and sourcebook for energy conservation. It lets you improve efficiency and save money in all types of buildings and plants, ranging from individual ... > read more

Land Development Handbook (Handbook)
Successfully navigate the confusing maze of land development If you're looking for cutting-edge blockbuster coverage of the land development process, the search ends here! Written by one of the ... > read more

The Solar House: Passive Heating and Cooling
Passive solar heating and passive cooling—approaches known as natural conditioning—provide comfort throughout the year by reducing, or eliminating, the need for fossil fuel. Yet while heat ... > read more

Fundamentals of Building Construction : Materials and Methods
Now in its Fourth Edition, Fundamentals of Building Construction is an essential textbook that has been used by thou-sands of students annually in schools of architecture, engineering, and ... > read more

The End of Oil : On the Edge of a Perilous New World
The End of Oil is a "geologic cautionary tale for a complacent world accustomed to reliable infusions of cheap energy." The book centers around one irrefutable fact: the global supply of oil is being ... > read more

Disclosure : Military and Government Witnesses Reveal the Greatest Secrets in Modern History
For the first time ever, over five dozen top-secret military,government, intelligence and corporate witnesses to secret projects tell their true stories which disclose the greatest covert program in ... > read more