list upcoming events in a CPT based on a postmeta value for date (meta query)

query events by postmeta date field

$args = array(
	'post_type'=>'event',
	'numberposts'=>-1,
	'post_status'=>'publish',
	'no_found_rows'=>true,
	'meta_query'=>array(
		array(
			'key'=>'date',
			'value'=>date('Y-m-d'),
			'compare'=>'>='
		)
	),
	'meta_key' => 'date',
	'orderby' => 'meta_value_num'
);
$events = query_posts($args);