The Lovelock Protocol. Dan Kotler, #14

Some secrets should stay buried. Book Fourteen in the Dan Kotler archaeological thrillersClimate scientist Evan Calder was murdered seven years ago. So how did he just send a letter to the FBI?FBI Agent Roland Denzel is pulled into a mystery that defies logic-and threatens the balance of the world itself. To unravel it, he turns to Dr. Dan Kotler-brilliant archaeologist, relentless investigator, and a man with a habit of finding trouble where history and the modern world collide.
The trail leads to a powerful biotech empire, a missing manuscript page tied to the ancient Chinese figure Shen Nong, and a classified experiment known only as The Lovelock Protocol. What Kotler and Denzel uncover is more than a conspiracy. It's a weapon. A way to control the weather. and reshape the fate of nations. Now, hunted by forces willing to kill to get their hands on this technology, Kotler and Denzel must race to decode a secret lost thousands of years ago-before someone turns the Earth itself into a tool of war.
Because if the protocol is real.Whoever controls the Earth Engine, controls everything.