The Earth receives a continuous influx of energy from the Sun. Some of this energy is absorbed at the Earth’s surface or by the atmosphere, while some is reflected back to space. At the same time, the ...

Ars Technica has been separating the signal from the noise for over 25 years. With our unique combination of technical savvy and wide-ranging interest in the technological arts and sciences, Ars is ...

Radiative forcing operates on all timescales over Earth’s history (Ruddiman, 2001). This includes (1) geological timescales (tens of millions of years) over which the output of the Sun, concentrations ...