The first Earth Day was held on April 22, 1970, the United States.
Gaylord Nelson of Wisconsin Senate worked, was a senator of the United States for 18 years. Nelson came up with the idea for Earth Day.
Every year on April 22, to discuss issues related to environmental pollution. Specific pollution and habitat destruction many plant and animal species are endangered.
Endangered species are plants and animals whose populations are so small that they can become extinct. Once an animal or plant is gone we will never see again.
Drawings inspired by nature
Each draft of my plant's leaves and ends with a human face, because every man should be reflected in the beauty of nature.
Rice plants resistant to arsenic
Rice is the raw material supply for more than 80% of the world population, although production is declining in Bangladesh, India and parts of East and South Asia, due to toxic levels of arsenic in soil.
Increased CO2 in the atmosphere
Increased CO2 in the atmosphere is responsible for global warming and rising sea levels.
Climate change, causing rising sea levels, which put wetlands at risk of excessive flooding.
The concentrate of Sambucus nigra fruit is a good food color.
University Lower Danube of Galati has conducted a study that refers to obtaining concentrates from elderberry (Sambucus nigra) and characterize their chromatic and phenol.