From a scientific point of view, it would be silly to expect God to miraculously intervene and save us at the last moment. That is not very likely to happen. However, belief in religious salvation can save us. Belief in a good that is higher than earthly wealth can inspire us to work together for the good of all. No, that is not the answer.
Science is here to stay.
So if science is here to stay, the only way to restore faith in religious salvation is to reconcile science and religion. But it must be a true reconciliation. It must include real, literal religious salvation. We need a synthesis of science and religion which is so complete that scientists will start talking about religious salvation as a real scientific theory, as a real goal that science can strive for. Today, scientists talk about finding a cure for AIDS or exploring the far reaches of the Universe.