The field of scientists as a whole does NOT subscribe to the doom & gloom prediction of the worlds imminent end. However, there is climate change, as there has been forever. But now there is broad consensus that human actions, systems, and practices are adversely impacting the earth's surface (land & oceans) and atmospheric conditions, including climate. To what extent, in what exact ways, and what can be done to mitigate are the real questions.
IMO the denial of man's impacts and the argument that the world will "not end in 7 years" is not positive nor constructive.