New footage has emerged showing a helicopter spiraling out of control before crashing in Brazil, resulting in the deaths of American singer Oliver Tree and five others. Brazilian aviation authorities ...

Photosynthesis does not always result in wood growth, a key factor in carbon dioxide sequestration Trees may not be able to store as much planet-heating carbon as hoped, a study suggests, with ...

A solar tree is a structure resembling a tree that generates solar energy using photovoltaic (PV) panels. It employs principles of biomimicry, using a natural system—in this case the form of a tree—to ...