A single vintage postage stamp displayed on a flat matte black background (#0a0a0a), centered in a 16:9 canvas with small black borders visible on all sides. The stamp itself is an ultrawide horizontal rectangle at approximately 3:1 aspect ratio. The stamp has serrated/perforated zigzag edges on all four sides, like a real postage stamp, with clean white perforation teeth.
Even with current policies to reduce our emissions, global temperatures are expected to have increased by at least 2.5C by the end of the century, according to the United Nations.
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Costly conservation?
3) What makes an NFT valuable?