Despite ups and downs from year to year, global average surface temperature is rising. By the beginning of the 21st century, Earthâs temperature was roughly 0.5 degrees Celsius above the long-term (1951â1980) average. (NASA figure adapted from Goddard Institute for Space Studies Surface Temperature Analysis. ).
H.R. 2292 (Markey) would require the Commodity Futures Trading Commission (CFTC) to provide a regulatory definition of HFT in the derivatives markets that the agency oversees. It would also require such high-frequency traders in derivatives to register with the CFTC, submit semiannual reports to the agency, and conform to business conduct
A high-frequency ventilator (HFV) is a ventilator that delivers breaths much faster than a conventional ventilator. HFVs are a type of mechanical ventilation for premature newborns. Very sick preemies need faster ventilator support to learn how to breathe on their own.