Wait until El Nino kicks in, scientists say(Photo/MGN)(AP) — Wildfires are burning in North America and Europe. Deadly heat waves have parked over cities and the world’s oceans are the hottest ever recorded for this time of year. A strengthening El Nino is forecast to be off-the-charts, spiking global temperatures and warping weather all over. Heat waves keep hittingThis summer’s heat waves have hit hard in places where people aren’t used to triple-digit heat, unlike in the tropics, climate scientists said. “There’s always heat waves somewhere in the world sometime, but what is very unusual for Europe for this particular year is the frequency and extent of the heat waves.”