2 intensity. The main upstream projects in progress, which account for about 45% of the total development investments in the sector in the four-year period 2019-22, show an overall break-even at a Brent price of $25/barrel, which is there- fore resilient even in the presence of a low-carbon scenario, and an internal rate of return (IRR) of 22%. Furthermore, these projects have a positive cumulative Free Cash Flow as early as 2019, due to the cash in from the application of the Dual Exploration Model, which is the early monetization of exploration suc- cesses through the sale of minority stakes. The hydrocarbon equity resources13 at 31/12/2018 show that natural gas, a bridge solution towards a low carbon future, accounts for over 50%. The flexibility and adaptability in the use of Eni's investments, amounting to about $33 billion in the period 2019-22, are confirmed by the non-committed share of 50% already in the two-years period 2021-22.