Pesticide
Videos
Pesticides are substances that are used to control pests. They include herbicides, insecticides, nematicides, fungicides, and many others. The most common of these are herbicides, which account for ap
A self-propelled crop sprayer spraying pesticide on a field
A crop-duster spraying pesticide on a field
A sign warning about potential pesticide exposure
Preparation for an application of hazardous herbicide in the US
Biodiversity
Videos
Biodiversity is the variability of life on Earth. It can be measured on various levels, for example, genetic variability, species diversity, ecosystem diversity, and phylogenetic diversity. Diversity
An example of the biodiversity of fungi in a forest in North Saskatchewan (in this photo, there are also leaf lichens and mosses).
Shown in a museum, various models of species across various taxa and orders visualize the variety of life on earth.
Summary of major biodiversity-related environmental-change categories expressed as a percentage of human-driven change (in red) relative to baseline (blue)
Summer field in Belgium (Hamois). The blue flowers are Centaurea cyanus and the red are Papaver rhoeas.