Carbon neutrality, or having a net zero carbon footprint, refers to achieving net zero carbon dioxide emissions by balancing carbon dioxide emissions with carbon removal or simply eliminating carbon dioxide emissions altogether
While getting new information on COVID-19 is essential, not all research will be critical to managing the risks of the disease, writes Peter Howley. He argues that scientists need to ensure as best they can that they get the balance between accuracy and speed right.
There has been an enormous volume of important COVID-19 research coming out into the public domain This includes studies aimed at calculating case fatalities, effectiveness of new treatments, risk profiles, and
Bumblebees are large, fuzzy insects with short, stubby wings. They are larger than honeybees, but they don't produce as much honey. However, they are very important pollinators. Without them, food wouldn't grow.
Two-thirds of the world's crop species depend on animals to transfer pollen between male and female flower parts, according to ecologist Rachel Winfree, an assistant professor in the department of entomology
First they cleared the forests of trees and the fields they created, of stones, in the wide alluvial valleys with great flowing rivers,starting near the banks where the digging was easier and the mud could easily be planted.
Then they cut back the reeds in the marshes to clear other river channels creating canals for irrigation
In such situations villages created, there soon ceased to become a natural economic unit.
During the New Stone Age, including the Bronze Age - the period of early river civilizations of Egypt, Mesopotamia,India and China, about 10,000 years ago, began a revolution in food production that was to alter the whole material and social order of the existence of man.
As a result of the crisis in the hunting economy this lead to the invention of the technique of Agriculture,ranking with Fire and Power as the three most momentous developments in human history.