Paragraph 2
The ESA
is called Solaris. The ESA wants "a
and secure energy
". It said solar power from
could be very
. It said we needed to become carbon-
, and change the way we produce energy. It said we needed to cut the
of fossil fuels. It added that solar farms could "solve a lot of
". The farms will be around 1.7 km
. This is
than the International Space Station, which is 110 m long.