By Jim Steele – Re-Blogged From WUWT
To be published in the Pacifica Tribune February 2020
Indeed, some Monarch populations have declined in recent decades. However, the species as a whole is not endangered. Monarchs experience booms and busts as do many insects. So, we still need to determine if recent population declines are part of natural cycles or due to human disturbance. Counter-intuitively, humans purposefully and unwittingly have both increased and decreased monarch populations.