Researchers contributing to the ASCENT network of air quality sensors observed spikes in lead and chlorine downwind from the Eaton Fire – and their measurements are now publicly available.

The EPA set up a waste collection site in Lario Park in Azusa, saying it was under orders to act quickly from President Trump ...

President Donald Trump has questioned the actions of both the helicopter crew and air traffic controllers prior to a deadly mid-air collision on Wednesday night outside Reagan Washington National ...