BBC News – Science & Environment

• Boris Johnson promises to protect 30% of UK's land by 2030
  Countries must act now to reverse biodiversity loss, Boris Johnson will tell a UN event later.
• What's in Boris Johnson's climate in tray?
  The PM promises he won't be caught "lagging" on green polices.
• UK can be 'Saudi Arabia of wind power' – PM
  The UK prime minister says the UK holds extraordinary potential for wind power.
• Maple trees offer most protection from harmful UV
  A species of maple tree gives the best protection from damaging sunlight, a study suggests.
• Global warming driving California wildfire trends – study
  Climate change is behind the scale and impact of recent wildfires in the western US, scientists say.