To stay safely below that threshold, we must reduce greenhouse gas emissions by 45 percent from 2010 levels by 2030, according to the United Nations report. Instead, they are still rising. So being alarmed is not a sign of being hysterical; when it comes to climate change, being alarmed is what the facts demand. Perhaps the only logical response….. The likeliest outcomes for the end of this century fall between two and four degrees of warming. And so looking squarely at what the world might look like in that range — two degrees, three, four — is much better preparation for the challenges we will face than retreating into the comforting relative normalcy of the present.
By David Wallace-Wells Read full NYTimes opinion here
The age of climate panic is here. Last summer, a heat wave baked the entire Northern Hemisphere, killing dozens from Quebec to Japan. Some of the most destructive wildfires in California history turned more than a million acres to ash, along the way melting the tires and the sneakers of those trying to escape the flames. Pacific hurricanes forced three million people in China to flee and wiped away almost all of Hawaii’s East Island.
We are living today in a world that has warmed by just one degree Celsius (1.8 degrees Fahrenheit) since the late 1800s, when records began on a global scale. We are adding planet-warming carbon dioxide to the atmosphere at a rate faster than at any point in human history since the beginning of industrialization.
In October, the United Nations Intergovernmental Panel on Climate Change released what has become known as its “Doomsday” report — “a deafening, piercing smoke alarm going off in the kitchen,” as one United Nations official described it — detailing climate effects at 1.5 and two degrees Celsius of warming (2.7 and 3.6 degrees Fahrenheit)…
Though the report — the product of nearly 100 scientists from around the world — did not address any of the scarier possibilities for warming, it did offer a new form of permission to the world’s scientists. The thing that was new was the message: It is O.K., finally, to freak out.Even reasonable.
This, to me, is progress. Panic might seem counterproductive, but we’re at a point where alarmism and catastrophic thinking are valuable, for several reasons….
… If we started a broad decarbonization effort today — a gargantuan undertaking to overhaul our energy systems, building and transportation infrastructure and how we produce our food — the necessary rate of emissions reduction would be about 5 percent per year. If we delay another decade, it will require us to cut emissions by some 9 percent each year. This is why the United Nations secretary-general, António Guterres, believes we have only until 2020 to change course and get started. …
… as climate change has been dawning more fully into view over the past several decades, all the cognitive biases that push us toward complacency have been abetted by our storytelling about warming — by journalism defined by caution in describing the scale and speed of the threat.