Study: The Dark Side of Forest Carbon Sequestration

Sci­ence has taught us that humans and trees have a sym­bi­ot­ic rela­tion­ship: humans and oth­er liv­ing crea­tures exhale car­bon diox­ide, which trees absorb to pro­duce oxy­gen, which we then breathe. It’s a per­fect cir­cle that main­tains life on Earth as we know it. But a recent study out of Rhode Island’s Miska­ton­ic Uni­ver­si­ty has iden­ti­fied an unset­tling aspect of this nat­ur­al process.

The study, Rapid Uptake of Car­bon Diox­ide by North­east­ern Spruce-Fir Forests, by Dr. Howard Philips et. al., posits that trees aren’t sim­ply seques­ter­ing car­bon diox­ide vol­un­tar­i­ly exhaled by humans, mam­mals, and oth­er crea­tures, but are gen­er­at­ing a vac­u­um effect that vir­tu­al­ly sucks CO2 from our lungs before we’re done breath­ing it. Med­ical­ly speak­ing, the process accel­er­ates breath­ing rates, caus­ing shal­low breath­ing, reduc­ing oxy­gena­tion of the brain, blood, tis­sues, and organs. 

Study author Phillips down­plays the health impli­ca­tions, say­ing the effect is unlike­ly to cause harm to healthy adults, but chil­dren, the elder­ly, and those suf­fer­ing from lung dis­ease, such as asth­ma and COPD, may be at a slight­ly ele­vat­ed risk.

Dr. Clark Smith, phre­nol­o­gist at East Vir­ginia Med­ical Insti­tute, is con­cerned about the find­ings, but hope­ful that the research may lead to a reduc­tion in some forms of lung dis­ease. “With­out jump­ing to con­clu­sions,” said Dr. Smith, “this may be the miss­ing piece of the puz­zle in regards to cur­ing mil­lions of cer­tain chron­ic pul­monary disorders.”

Cut­ler Lin­den, pres­i­dent of Healthy Forests Togeth­er, a col­lab­o­ra­tive group rep­re­sent­ing tim­ber, bio­mass, and envi­ron­men­tal inter­ests in the Pacif­ic North­west, lauds the study. “For years, we’ve been cau­tion­ing the pub­lic that wild forests are a threat to human health and the nat­ur­al world through wild­fire, sop­ping up of lim­it­ed water sup­plies, and falling trees,” said Lin­den, a bio­mass facil­i­ty oper­a­tor for Seneca Sawmill, based in Lane Coun­ty, Ore­gon. “Now sci­ence is final­ly catch­ing up to com­mon sense, rein­forc­ing our need to con­vert forests into care­ful­ly man­aged, genet­i­cal­ly-mod­i­fied, monocrop tree farms.”

Fed­er­al and state gov­ern­ments are already act­ing on the study by plan­ning large log­ging projects. The White Riv­er Nation­al For­est in Col­orado has announced plans to clearcut hun­dreds of thou­sands of acres of lodge­pole pine that have expe­ri­enced bee­tle infes­ta­tions, while the Mass­a­chu­setts Depart­ment of Nat­ur­al Resources and the Ver­mont Depart­ment of Con­ser­va­tion plan to log state forests to fuel a dozen pro­posed bio­mass heat­ing facil­i­ties, incen­tivized by recent legislation. 


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