Conservation & decline

Bees are in decline across the world. As a keystone pollinator group, their loss ripples through every food web. Here are the causes — and what individuals, communities, and researchers can do.

Why bees are dying

1

Genetic overbreeding

Mass queen rearing for 'perfect' strains loses genetic diversity — resistance to emerging diseases is cast aside.

2

Migratory beekeeping

Trucking colonies thousands of miles spreads disease and stress. The almond crop alone needs 1.62 million hives.

3

Pesticide spraying

Early pesticides like DDT caused appalling damage. Modern pesticides are targeted but still misused — collateral damage to bees.

4

Mega-farming / monoculture

Vast monocultures fail to supply the varied diet bees need for a healthy immune system. Nowhere to hide.

5

Colony Collapse Disorder (CCD)

Catastrophic overnight colony loss; no single cause — likely combined pressures. Some regions report 30–53% losses.

Individual

  • ✓Plant early-season flowers to attract bumblebee queens.
  • ✓Keep dead branches and bare earth for solitary nesters.
  • ✓Hang bee hotels (cheap and easy to make).
  • ✓Avoid double-flowered cultivars — they offer no food.
  • ✓Plant for succession — something in bloom all year.

Community

  • ✓Volunteer on conservation fieldwork projects.
  • ✓Join a beekeeping club for shared tools and mentorship.
  • ✓Advocate for pollinator-friendly public greenspaces.
  • ✓Be a citizen scientist — log species ranges from your backyard.

Research

  • ✓Radar tagging maps bee navigation and pesticide effects.
  • ✓Lab-reared larvae isolate variables for controlled study.
  • ✓Microbiome research explores gut bacteria for immunity.
  • ✓Harvard 'robobees' explore robotic pollination as a stopgap.

Land sparing vs. land sharing

Land sparing

Maximize crop yields on fewer, larger farms (hostile to wildlife) so more truly wild habitat can be left untouched with good connectivity.

Land sharing

Wildlife-friendly, smaller-scale farms — but lower yields mean more wilderness becomes farmland, and what's left is fragmented.

The jury is still out on which model helps bee populations most.