** Shares of Riversgold RGL.AX rise up to 16.2% to A$0.079
— set for their best day since April 5, if gains hold
** Gold explorer says it discovered a new lithium prospect
at Tambourah in Pilbara region of Western Australia urn:newsml:reuters.com:*:nFWN2WP2EJ
** Global efforts to tackle climate change have led to a
surge in demand for lithium used in electric vehicle batteries
urn:newsml:reuters.com:*:nL8N2U566U
** Stock is up 341.5% this year, as of last close
(Reporting by Navya Mittal in Bengaluru)
((navya.mittal@thomsonreuters.com))