Special report We humans have gorged ourselves on fossil fuels for well over a century, and the bill for that delicious, ...

Your browser does not support HTML5 video. Pakistan Air Force (PAF) is carrying out two large scale flying exercises from two different locations across the globe ...

Note: Calculation of the sun WBGT has been suppressed for this hour because the approximation used is not valid at these times. The shade WBGT is calculated for an environment shaded from direct (and ...