There are optimal velocities for different types of pitches. For instance, you want your change-up to be thrown at a slower speed than your fastball. Pitchers' velocities often vary. Tim Wakefield, a knuckleballer of the Boston Red Sox, for instance, has a slow fastball, clocking in the high 70s at most.
Green Climate Fund (GCF) The GCF is an operating entity of the financial mechanism of the Convention and is accountable to and functions under the guidance of the COP.
It is governed by a Board comprising 24 members (with equal numbers from developed and developing country Parties) and is intended to be the main fund for global climate change finance in the context of mobilizing USD 100 billion by 2020.