The UN Convention to Combat Desertification defines desertification as land degradation, which is the “reduction or loss in arid, semi‐arid, and dry sub‐humid areas, of the biological or economic productivity and complexity of rain‐fed cropland, irrigated cropland, or range, pasture, forest, and woodlands resulting.
Sustainability is the process of maintaining change in a balanced environment, in which the exploitation of resources, the direction of investments, the orientation of technological development and institutional change are all in harmony and enhance both current and future potential to meet human needs and aspirations.
“Whether we and our politicians know it or not, Nature is party to all our deals and decisions, and she has more votes, a longer …
Extreme Weather History | References “Scientists predict a major upturn in the incidence of extreme weather events due to the changing climate. According to the …
“We must not believe those, who today, with philosophical bearing and deliberative tone, prophesy the fall of culture and accept the ignorabimus. For us there …
“However horrific the COVID-19 pandemic may seem, it is merely one symptom of gross human ecological dysfunction. The prospect of economic implosion is directly connected. The overarching reality is that the human enterprise is in a state of overshoot.”
We should be interested in Paleoclimatology because it is important for past, contemporary, and future issues. Understanding past climate helps us to explain how current ecosystems came to be. For example, climate typically controls what types of vegetation grow in a particular area.
Methane (CH4) is one of the most powerful, abundant and surprising greenhouse gases. It is defined in chemistry as a colorless, odorless flammable gas which is the main constituent of natural gas. It is the simplest member of the alkane series of hydrocarbons and is the most commonly found gas. It is a chemical compound that shows up nearly everywhere on the planet. Why and where it shows up is often a mystery. In many ways it is an unknown. The story of methane is a complex and fascinating tale with many current controversies.
This alert from the Alliance of World Scientists (AWS) This is an excerpt from the introduction: “We appreciate the letters by Pouliot and colleagues (2020) …
