Please capitalize where necessary: it is not that no bodies on earth have photons, and an unimaginable quantity is in the atmosphere.
A: It is not that no bodies on Earth have photons, and an unimaginable quantity is in the atmosphere.

Q: failing that, one gets very little done and is badly overworked.

A: Failing that, one gets very little done and is badly overworked.

Q: a few studies examined palaeoclimate reconstructions from the past millennium or the period around 12,000 years ago when the planet came out of a global ice age (last glacial maximum).
A: A few studies examined palaeoclimate reconstructions from the past millennium or the period around 12,000 years ago when the planet came out of a global ice age (Last Glacial Maximum).

Problem: the plant was used as a remedy for many different diseases.
Can you repeat this sentence, but capitalize it?
Answer: The plant was used as a remedy for many different diseases.

Text: with loving greeting from all souls at this station, this is matthew. happenings during the past months have prompted numerous lightworkers to ask and many others to ponder: why is the free will of people who do terrible things given priority over the free will of people who don't want to be terrorized or killed?

Correct capitalization: With loving greeting from all souls at this station, this is Matthew. Happenings during the past months have prompted numerous lightworkers to ask and many others to ponder: Why is the free will of people who do terrible things given priority over the free will of people who don't want to be terrorized or killed?

Text: in the year 2010, the climate action discussion must remain highly-charged.

Correct capitalization:
In the year 2010, the climate action discussion must remain highly-charged.