My backyard is full of pine needles from 3-4 seasons. Will these make good compost or should I get rid of them? - Quora
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Biomass-derived carbon for ORR: pine needles as a single source for efficient carbon electrocatalyst | SpringerLink
Pine needle-derived microporous nitrogen-doped carbon frameworks exhibit high performances in electrocatalytic hydrogen evolution reaction and supercapacitors - Nanoscale (RSC Publishing)
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Dual-mode detection sensor based on nitrogen-doped carbon dots from pine needles for the determination of Fe3+ and folic acid - ScienceDirect
![Landscape: Dieback of Eastern White Pine | Center for Agriculture, Food, and the Environment at UMass Amherst Landscape: Dieback of Eastern White Pine | Center for Agriculture, Food, and the Environment at UMass Amherst](https://ag.umass.edu/sites/ag.umass.edu/files/fact-sheets/images/wpnd-lecanosticta.jpg)
Landscape: Dieback of Eastern White Pine | Center for Agriculture, Food, and the Environment at UMass Amherst
![Landscape: Dieback of Eastern White Pine | Center for Agriculture, Food, and the Environment at UMass Amherst Landscape: Dieback of Eastern White Pine | Center for Agriculture, Food, and the Environment at UMass Amherst](https://ag.umass.edu/sites/ag.umass.edu/files/fact-sheets/images/wpnd-septorioides-1.jpg)