The Gravity Of Climate Change And How To Stop It
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This is the idea: to draw water from the sea, spray it on Antarctica, turn it into the snow and reduce that problem that worries so much, the loss of ice. It is from three German scientists and is one of those bold proposals that seek to stop climate change.

Ensuring that contemporary development does not destabilize the ecological and climatic systems that have allowed the emergence of the species and other forms of life on Earth is one of the fundamental challenges of this century.

The world today

There are more ants than humans on the planet. This according to estimates of its biomass (total amount of living matter present in a community or ecosystem), because if counting people is difficult, enumerating insects is a titanic task. Try to do it when they are in your kitchen.

Still, to say that the Earth is a human planet is truer every day. Humanity went from being a species that inhabited it to have such an impact that it is capable of changing it. Several scientists express this by saying that the planet has entered a new geological era: the Anthropocene, the era of humans. A historical moment in which there is no unchanged nature because even the rainforests of the Amazon and Congo have been cleared by people in past centuries.

The idea that caring for the environment is a return to primitive lifestyles may be far from reality. This is declared by ecomodernists: 18 academics, scientists, activists and citizens of five countries convinced that "knowledge and technology applied wisely could allow a good or even an incredible Anthropocene," they wrote in their Ecomodernist Manifesto published in April 2015, an environmental proposal that aims to improve the quality and content of the dialogue on how to protect the environment in the 21st century.

Gioietta Kuo Petravic, an environmental writer understands: "I think there is no going back. And I find it surprising that some environmentalists disagree. Instead, they seem to be hooked on outdated notions of nature as passive, pristine and only able to thrive apart from us."

She also added that you could not have an Anthropocene on one side of the fence and on the other the Holocene landscape - a period that includes 11,000 years of early agriculture. Nature is no longer very natural, it is dominated by what some environmentalists call novel ecosystems (modified by humans). "An interaction that reveals an evolving nature and adaptation to the world that humanity has created," Petravic concludes optimistically.

From blocking the Sun with chalk and thus lowering the global warming (a project of Harvard University funded by Bill Gates), dispersing iron on the surface of the oceans to make the sea trap more carbon dioxide, float panels solar in the water, make a giant solar installation in Atacama, until the creation of a connection that allows you to cross the border between Denmark and Sweden by bicycle... Ideas are on the rise, such as snow.

Big gestures in terms of geoengineering as well as individual actions, are intended to help. Greta Thunberg, the 16-year-old Swedish teenager who has become an environmental idol, crossed the Atlantic Ocean in a zero-emission ship (because it works with solar panels and underwater turbines) to attend the United Nations talks in New York at the end of August.

Efforts, large or small, begin to be noticed, and researchers propose differential ideas, which often seem more like science fiction.

In coastal areas and tropical islands, the use of deep ocean waters could contribute to achieving sustainable development goals, according to research by the National University.

Engineers in Australia are seriously considering spraying seawater into the atmosphere over the Great Barrier Reef to create clouds that block the Sun to protect corals. That project, too, only exists on paper.

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