Results 331 to 340 of about 1,582,153 (384)
Some of the next articles are maybe not open access.
Human Domination of Earth’s Ecosystems
Renewable Energy, 1997Human alteration of Earth is substantial and growing. Between one-third and one-half of the land surface has been transformed by human action; the carbon dioxide concentration in the atmosphere has increased by nearly 30 percent since the beginning of ...
P. Vitousek +3 more
semanticscholar +1 more source
1999
Abstract Except for major short-term perturbations in surface environments caused by a declining flux of impactors, equable conditions for prebiotic evolution could have existed as early as 4.4 GA. The earth is about 4.6 Ga old. At that remote time, known as the Hadean era (fig.
openaire +1 more source
Abstract Except for major short-term perturbations in surface environments caused by a declining flux of impactors, equable conditions for prebiotic evolution could have existed as early as 4.4 GA. The earth is about 4.6 Ga old. At that remote time, known as the Hadean era (fig.
openaire +1 more source
2018
Two important physical laws determine the behaviour of the Earth as a planet and the relationship between the Sun and its planets: the law of conservation of energy and the law of conservation of angular momentum. ‘Planet Earth’ explains these laws along with the ‘Big Bang’ theory that describes the formation of the solar system: the Sun; the eight ...
openaire +1 more source
Two important physical laws determine the behaviour of the Earth as a planet and the relationship between the Sun and its planets: the law of conservation of energy and the law of conservation of angular momentum. ‘Planet Earth’ explains these laws along with the ‘Big Bang’ theory that describes the formation of the solar system: the Sun; the eight ...
openaire +1 more source
Rare-Earth Doping in Nanostructured Inorganic Materials
Chemical Reviews, 2022Jingyue Fan, Bing Chen, Xian Qin
exaly
Earth system justice needed to identify and live within Earth system boundaries
Nature Sustainability, 2023J. Gupta +25 more
semanticscholar +1 more source
Structure–property–function relationships of natural and engineered wood
Nature Reviews Materials, 2020Chaoji Chen, Yudi Kuang, Shuze Zhu
exaly