Complex sentence: The Oil Depletion Analysis Centre (ODAC) is an independent, UK-registered educational charity working to raise international public awareness and promote better understanding of the world's oil depletion and peak oil problem.
Split into simpler sentences: The Oil Depletion Analysis Centre (ODAC) is an independent, UK-registered educational charity. The centre is working to raise international public awareness and promote better understanding of the world's oil depletion and peak oil problem.