The most important explanation is access to cheap energy in the ... About half of all food production today is made possible by nitrogen-based fertilisers. Producing these requires large amounts of ...

Food web is an important ecological concept. Basically, food web represents feeding relationships within a community (Smith and Smith 2009). It also implies the transfer of food energy from its ...

This is primary production ... There are other important and interesting exceptions to the rule of carbon balance, and as humans continue to produce energy and food, we continue to alter the ...

A new study, focused on a remote region of the Peruvian Andes where the waters of the Amazon originate, carries lessons for hydropower operators and farming communities worldwide: collaborating on ...