EPA proposal takes on health risks near US chemical plants

In what could prove a significant move for communities facing air pollution, the Environmental Protection Agency proposed on Thursday that chemical plants nationwide measure certain hazardous compounds that cross beyond their ...

Apple preharvest drop not linked to xylem functionality

Heat stress induces and accelerates leaf senescence, which is characterized by a loss of chlorophyll and cellular membrane deterioration, as well as oxidative damage). Leaf senescence can be exacerbated by the hormone ethylene, ...

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