How Many Grams In A Gigaton

How Many Grams In A Gigaton – Spring Free EV aims to reduce CO2 emissions by one gigaton by making it easier to get more electric cars on the road. Sounds good, but what does it mean to eliminate one gigaton of waste?

When scientists talk about climate, they usually measure cause and effect in planet-sized units called gigatons, sometimes called gigatonnes. While these huge numbers are fine for planets, for humans they are rare dimensions in real life and can be too large to visualize clearly.

How Many Grams In A Gigaton

How Many Grams In A Gigaton

The prefix giga, adopted in the International System of Units in 1960, means one billion. Just as one gigawatt equals one billion watts, one gigaton equals one billion metric tons.

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So when you hear international leaders talk about the climate impact of 40 gigatons of man-made carbon emissions per year, they’re talking about 40 billion tonnes of carbon emissions.

Technically, a gigaton is a metric unit of mass, equal to 1 billion metric tons, 1 trillion kilograms, or 1 quadrillion grams.

However, especially in planetary science, it is commonly referred to as a metaphor for energy, a value derived from the amount of energy released by burning one gigaton of TNT. For example, an 8.0 magnitude earthquake releases the equivalent of about 1.01 gigatons of TNT. This makes sense because earthquakes have no inherent mass, but can be calculated to understand their energy.

When talking about melting polar ice caps or carbon emissions, scientists usually talk in terms of mass. According to NASA, satellite data shows that Greenland and Antarctica are losing 283 gigatons and 145 gigatons of mass each year, respectively. Contributing to this are greenhouse gases such as carbon dioxide, which emit about 40 gigatons per year globally.

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Since 1901, global sea levels have risen about 8 inches. About 49,000 gigatons of ice have melted. Contiguous with ice sheets 22 feet high, or covering the entire surface of the moon with an ice crust 5 feet high. During this time, Earth’s average surface temperature increased by about 1 °C (1.8 °F), with more than half of this increase occurring in the mid-1970s.

Recognizing the scale of the problem, more than 190 countries have signed the Paris Agreement, which aims to limit global warming to 1.5 degrees Celsius this century. Their goal is to reduce emissions by producing new greenhouse gases, as well as eliminating waste. It says countries must remove one gigatonne of CO2 from the atmosphere by 2025, and more than one gigatonne annually thereafter, if the climate change agreement’s targets are met. This is a difficult task, as less than 10,000 tons (that’s 00001 gigatons) have been removed so far.

“Without measures to deliver 1 Gigatonne (Gt) of negative emissions globally by 2025, keeping global warming to 1.5°C under the Paris Agreement will not be achieved,” says the Coalition on Negative Emissions (CNE) and in the consulting report. McKinsey firm.

How Many Grams In A Gigaton

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Kilotons Per Kilogram

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If everyone on the planet stepped on one side of the giant scale of balance, and all the bacteria on Earth were placed on the other, we’d be in for a tough shot. That’s because all the bacteria on Earth combined are about 1166 times larger than all the humans.

Comparison with other categories of life also shows how small we are. As the most recent comprehensive study

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A census that measures all life on Earth by weight (Gigatons measured in carbon, the main element of life on Earth) found that we make up less than 1 percent of life.

It is estimated that there are 550 gigatons of viable carbon in the world. One gigaton equals one billion metric tons. A metric ton is 1,000 kilograms, or about 2,200 pounds.

, we tried to imagine the weight of all life on Earth to know the scale of it all.

How Many Grams In A Gigaton

What you see below is a kind of tower of life. Each large block of these towers represents a gigaton of life, and the blocks are combined into huge kingdoms. Protists (think microscopic life, like amoebas), Archaea (single-celled organisms that look a bit like bacteria), Fungi (fungi and other types of fungi), Bacteria (you’re familiar with these, right ‘rimi?), there are plants and animals. .

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As you can see, plants rule our world. If the Tower of Life were an office building, plants would be the main tenant, occupying dozens of floors. By comparison, All the Animals in the World – seen in gray in the tower – looks like a single (distinctly modern) grocery store on the ground floor.

And if we zoom in on the entire animal kingdom, we see once again how insignificant man is compared to the rest of the kingdom. Arthropods (insects) are 17 times more numerous than us. Even molluscs (I think shells) are heavier.

Yet, despite the small biomass among animals, we have a huge impact on the planet. The chart above represents a large number of lives. But it does not show what has been lost since the beginning of mankind.

According to the article, the mass of wild mammals on land is seven times less than before the appearance of humans (note that it is difficult to estimate the true history of the number of animals on Earth). Likewise, marine mammals, including whales, are one-fifth of their former weight because we hunted them so much that they almost became extinct.

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Although plants are still the dominant form of life on Earth, scientists estimate that they were twice as numerous before humans began clearing forests to make way for agriculture and our civilization. guess

Paper is not perfect. Although remote sensing, satellites, and major efforts to study the distribution of life in the oceans make calculations easier than ever, the authors acknowledge that there are still many uncertainties. But we need a basic understanding of the distribution of life on Earth. Millions of hectares of forests are still lost every year. If Earth is uninhabited, animals will become extinct 1000-10000 times faster than you expect. 60 percent of primate species, our closest relatives on the tree of life, are at risk of extinction.

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How Many Grams In A Gigaton

Fifty nine gigatons. That’s the amount of greenhouse gases the industrialized world emits each year, according to a recent United Nations Environment Program report. That’s 59 billion metric tons, enough to fill 59 billion hot air balloons, or 206.5 trillion bathtubs, with carbon dioxide molecules. It’s a scary number, a crippling number. You can’t help but think, “Well, what’s the point?” a number that makes you think.

What Is A Gigaton?

But in the month since the 2021 Conference of the Parties to Climate Change (COP26) in Glasgow, Scotland, I’ve begun to think about 59 Gigatonnes in a different way – as a useful tool, not as a brain-wrecking tool. instrument. For everything else, 59 Gigatonnes is a number as plain and simple as your bank account balance, your age, or the kilowatt-hours left in your electric car battery. It is robust, reliable and predictable. When you start with a number, you can start subtracting from that number to figure out what it takes to get to zero.

Some may be broken. We can allocate some of that to jurisdictions and industries to develop carbon budgets. We can verify the value of corporate and government bonds. We can apply pressure to the regulator to tighten the screw

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