On perturbative quantum gravity as an effective quantum field theory:
John Donoghue, Introduction to the Effective Field Theory Description of Gravity (arXiv:gr-qc/9512024, spire)
John F. Donoghue, Quantum General Relativity and Effective Field Theory, in: Handbook of Quantum Gravity, Springer (2023) [arXiv:2211.09902]
On asymptotic safety (or not):
John Donoghue, A Critique of the Asymptotic Safety Program, Frontiers in Physics 8, 56 (2020)
John Donoghue vs. Roberto Percacci, Debate on Asymptotically Safe Quantum Gravity, Perimeter Institute, April 2021 (video, slided)
On subtleties of renormalization of the cosmological constant:
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