Carbon dioxide is rising as a component of Earth’s atmosphere (NOAA, 2017). The level of carbon dioxide in the atmosphere has not been this high for the past 5 million years (Stap et al. 2016).Continue reading
The real impact of global warming may be what it does to evaporation rates from the land surface.
Year-to-year variations in climate, including rainfall and the length of the growing season, remain the greatest determinant of agricultural productivity and the cost of food.