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A slowly growing field of biological research is uncovering evidence that increasing levels of carbon dioxide in the atmosphere is steadily decreasing the concentration of nutrients in our food supply. Plants metabolize CO2 in the same way we metabolize oxygen, and increases in CO2 levels have proven to boost plant growth, but that increased growth causes the affected plants to pack on more carbohydrates at the cost of taking on nutrients such as vitamins and minerals — effectively turning crops we consider to be healthy dietary choices into junk food.
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An expedition has been launched that will spend the next two months studying the continent of Zealandia, a mostly-submerged land mass that was officially classified as a continent earlier this year. Stretching from the island of New Caledonia in the north to Campbell Island in the south, 95 percent of Zealandia lies under the ocean, with the island of New Zealand making up the largest portion of the continent’s dry land area.
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A new equation has been published that has the potential to settle the debate of how big an impact human activity has had on the environment, in comparison to natural forces. This equation, created by the authors that proposed that we’re living in a new geological epoch called the Anthropocene, is meant to offer a mathematical formalization of our everyday discourse regarding global warming — putting hard numbers to what can oftentimes devolve into a nebulous argument — and the result of the equation is alarming.
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