See All Key Ideas Agroforestry, the ancient agricultural system of integrating trees and shrubs with crops and livestock, has seen a revival in recent decades in the U.S. Around the country ...

Webb Telescope Captures Its First Direct Images of Carbon Dioxide Outside Solar System Mar. 17, 2025 — The James Webb Space Telescope has captured its first direct images of carbon dioxide in a ...

there is a long term classification (LTC) system. This is in place to show greater stability in the classifications which are based on compliance over five years instead of the standard three years.