BBC: Science and Environment

• Climate change is turbo-charging Somalia’s problems - but there's still hope

  Despite facing a catastrophic combination of challenges, there is optimism in the African country.

• Musk's satellites 'blocking' view of the universe

  Radio waves from the satellites are "blinding" radio telescopes and hurting research, say scientists.

• Wildlife charity declares 'butterfly emergency'

  The charity is calling on the government to ban pesticides that can harm butterflies and bees.

• Supermoon and lunar eclipse delight stargazers

  The Moon appeared brighter and bigger as it reached its closest point in its orbit around the Earth.

• Whistleblower testifies Titan sub tragedy was 'inevitable'

  Former employee David Lochridge tells a public hearing the whole idea of OceanGate was to "make money".