landing

Yet here we are out on a tennis court, worrying about whether a small fuzzy ball is landing in a painted box.

In early November, it carried out its first untethered take-off and landing.

"Its current structure simply cannot deliver the change at exponential speed and scale, which is essential to ensure a safe climate landing for humanity," said its signatories.

“There is still a window of opportunity for a safe landing for humanity, but this requires a global climate policy process that can deliver change at exponential speed and scale,” Prof Rockström said.

A small plane crash-landed in Sherman Oaks on Thursday morning, landing upside-down in a field, authorities said.