At least 34 countries have plans, worth a total of $2.25 trillion.
Hassen Chalghoumi, from Tunisia, pioneered a religious exchange in France.
Israeli and Palestinian officials met in Cairo Sunday in a bid to bolster the current cease-fire.
President Bush awarded the Medal of Freedom to Blair, whose legacy is clouded by the Iraq war.
Concerns about Islamist threat have influenced traditionally pro-Arab Europe's view of the Israeli-Palestinian conflict.
Hamas and Israel say they are weighing an Egyptian proposal for a cease-fire as international calls to end the conflict mount.
Israeli forces struck two United Nations schools in the Gaza Strip on Tuesday, killing at least 34 people, as international call for an immediate cease-fire grew.