Dennis Harvey Film Critic Even among many who’ve grasped the scientific evidence, or experienced escalating weather extremes, climate change remains an abstraction for most — something too large and vague to trigger urgent emotional response. Not so the fictive activists in “How to Blow Up a Pipeline,” inspired by Andreas Malm’s nonfiction tome of the same name. Though diverse in background and motivations, the eight individuals here drawn together to attack an oil conduit in Texas share a sense that the planetary environmental crisis is immediate, and the time for gently chiding protests past. Whether their actions constitute “eco-terrorism” and whether violence of any kind is ever justifiable in the service of progress are questions Daniel Goldhaber’s sophomore feature duly grapples with. Still, its degree of moral self-examination is unlikely to appease climate deniers, who’ll likely decry the film (if they notice it at all) as a recruitment poster for aspiring saboteurs. It’s more nuanced than that, but this strong, straightforward drama-cum-thriller about a divisive topic will nonetheless primarily appeal to viewers on the left side of the political dial. Neon is releasing to U.S. theaters on April 7.