near-Earth asteroids
... that the search for near-Earth asteroids large enough to cause a global catastrophe is almost complete, and efforts now focus on smaller asteroids?
... that the search for <b id="mwAW8"><a href="./Near-Earth_object" id="mwAXA" rel="mw:WikiLink" title="Near-Earth object">near-Earth asteroids</a></b> large enough to cause a global catastrophe <i id="mwAXE">(example pictured)</i> is almost complete, and efforts now focus on smaller asteroids?