'The main energy reservoir is the ocean, which sequesters energy as heat.' - Part of opening paragraph, Science 16 April 2010
'Tracking Earth's Energy     Kevin E. Trenberth and  John T. Fasullo'
sciencemag .org / content/328/5976/316.summary

'This gives rise to the concept of “missing energy” (Trenberth and Fasullo 2010).  ' - Energy and Climate - Dr Kevin E Trenberth
at rmets .org /weather-and-climate/climate/energy-and-climate-dr-kevin-e-trenberth

Pretty much says it all.

As a pensioner I can't afford scientific journals. And the Library has about 100 books.