Pembrokeshire the subject of a comprehensive assessment in 2013. In 2011 the first solar energy farm in Wales was installed at Rhosygilwen, Rhoshill with 10,000 panels in a field of , generating 1 MW. Pembrokeshire's tourism portal is "Visit Pembrokeshire", run by Pembrokeshire County Council. In 2015 4.3 million tourists visited the county, staying for an average of 5.24 days, spending £585 million; the tourism industry supported 11,834 jobs. Many of Pembrokeshire's beaches have won awards, including Poppit Sands and Newport Sands. In 2018, Pembrokeshire received the most coast awards in Wales, with 56 Blue Flag, Green Coast or Seaside Awards.
Pembrokeshire to its proximity to the relatively warm Atlantic Ocean. Inland, average temperatures tend to fall 0.5 °C for each 100 metres increase in height. The air pollution rating of Pembrokeshire is "Good", the lowest rating. The rocks in the county were formed between 600 and 290 million years ago. More recent rock formations were eroded when sea levels rose 80 million years ago, at the end of the Cretaceous Period. Around 60 million years ago, the Pembrokeshire landmass emerged through a combination of uplift and falling sea levels; the youngest rocks, from the Carboniferous Period, contain the Pembrokeshire Coalfield. The