Origin: Spirits of the Past
銀色の髪のアギト (original)
It is 300 years into the future. Earth's environment had been devastated by mankind's own foolish plans and humankind is beleaguered by the sentient forests which they have awoken. The world balance is tipped when a young boy named Agito stumbles across a machine that glowed in a strange blue hue inside a forbidden sanctuary.
Starring Atsuko Yuya, Yûko Kotegawa, Aoi Miyazaki, Ryo Katsuji, Tomoko Kaneda, Kurumi Mamiya, Omi Minami, Masaru Hamaguchi, Kenichi Endo, Toshikazu Fukawa
It's a animation and drama movie, and has a rating of 6.3 out of 10 from Imdb which is usually fine for this kind of movie.
Watch it here
Not found streaming from Ireland.